from 02/16/2026 to 02/22/2026
29 Office 365 Message Center Items were changed and
20 Office 365 Message Center Items were added
Please note: Only common Message Center messages are in this list you should always check your Message Center for additional messages
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Changes
MC Action Required By changes
| MC ID | MC Title | Old Value | New Value | MC Action required by |
|---|---|---|---|---|
| MC949965 | (Updated) Toggle to new Outlook | 04/01/2026 09:00:00 | 2027-03-01T08:00:00Z | 03/01/2027 |
MC End Time changes
| MC ID | MC Title | Old Value | New Value | MC Action required by |
|---|---|---|---|---|
| MC1085133 | (Updated) Microsoft Teams: Rule-based enablement of Microsoft 365 third-party apps in the Teams admin center | 04/30/2026 09:00:00 | 2026-05-25T09:00:00Z | N/A |
| MC1164381 | (Updated) OneDrive: Simplified file transfer for departing employees | 03/02/2026 09:00:00 | 2026-05-29T10:00:00Z | N/A |
| MC1166867 | (Updated) Microsoft Defender for Office 365: Enhancing the quarantine email preview experience | 01/15/2026 09:00:00 | 2026-02-27T09:00:00Z | N/A |
| MC1174856 | (Updated) Microsoft 365 Copilot: Session persistence enhancement for Copilot chat | 03/02/2026 09:00:00 | 2026-04-30T10:00:00Z | N/A |
| MC1182698 | (Updated) Microsoft Copilot Notebooks: Overview page with Copilot-powered summaries and insights | 03/02/2026 09:00:00 | 2026-04-20T10:00:00Z | N/A |
| MC1183009 | (Updated) Microsoft 365 Copilot: Podcast voice interactions make audio experiences conversational | 04/06/2026 10:00:00 | 2026-05-11T10:00:00Z | N/A |
| MC1183611 | (Updated) Consult and merge into a meeting or group call via Dual-Tone Multi-Frequency (DTMF) | 05/11/2026 10:00:00 | 2026-05-25T10:00:00Z | N/A |
| MC1184994 | (Updated) Microsoft Teams frontline BYOD onboarding wizard | 04/30/2026 10:00:00 | 2026-06-12T10:00:00Z | N/A |
| MC1188222 | (Updated) Microsoft Teams: Private chat for organizers and presenters in structured meetings, webinars, and town halls | 04/30/2026 09:00:00 | 2026-05-29T09:00:00Z | N/A |
| MC1189910 | (Updated) Configure Local Network Access Policy for Microsoft eCDN | 02/23/2026 09:00:00 | 2026-02-27T09:00:00Z | N/A |
| MC1191915 | (Updated) Microsoft Viva: Copilot Dashboard - Broader access to M365 Copilot Chat insights | 03/23/2026 09:00:00 | 2026-04-20T10:00:00Z | N/A |
| MC1194079 | (Updated) Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures | 03/06/2026 09:00:00 | 2026-05-04T10:00:00Z | N/A |
| MC1197146 | (Updated) Express voice enrollment in Microsoft Teams | 04/30/2026 09:00:00 | 2026-06-01T09:00:00Z | N/A |
| MC1218713 | (Updated) Microsoft Teams: Organization evaluation score for apps and agents | 03/30/2026 09:00:00 | 2026-06-30T09:00:00Z | N/A |
| MC795355 | (Updated) Microsoft Teams admin center: App centric management for app installation and changes to app setup policies | 02/28/2026 08:00:00 | 2026-04-30T09:00:00Z | N/A |
| MC929020 | (Updated) Microsoft Loop – Admin Usage Reports | 02/15/2026 08:00:00 | 2026-07-31T09:00:00Z | N/A |
| MC949965 | (Updated) Toggle to new Outlook | 09/22/2027 09:00:00 | 2028-03-31T09:00:00Z | 03/01/2027 |
MC How Affect changes
| MC ID | MC Title | Old Value | New Value | MC Action required by |
|---|---|---|---|---|
| MC1166867 | (Updated) Microsoft Defender for Office 365: Enhancing the quarantine email preview experience | Who is affected: Quarantine administrators Microsoft Defender for Office 365 as well as users with access to review and preview messages within quarantine. The update is specifically for the preview capability within the quarantine experience. What will happen: The update consists of three main parts: Streamlined view options: The plain text view option will be retired to unify preview behaviors across Defender experiences. Clearer handling of URLs: The hover-over preview for URLs will be limited to reinforce that links in quarantine preview are not clickable. Simplified content loading: The "Load external content" button will be removed for some scenarios. Content will render in a secure, isolated environment. Quarantine administrators and users will experience a simplified preview interface with clearer rendering and reduced visual cues for URL interactivity: What you can do to prepare: |
Who is affected: Quarantine users Microsoft Defender for Office 365 with access to review and preview messages within quarantine. The update is specifically for the preview capability within the quarantine experience. What will happen: The update consists of three main parts: Streamlined view options: The plain text view option will be retired for users to unify preview behaviors across Defender experiences. It will still be present for admins. Clearer handling of URLs: The hover-over preview for URLs will be limited for users to reinforce that links in quarantine preview are not clickable. Simplified content loading: The "Load external content" button will be removed for some scenarios. Content will render in a secure, isolated environment. Quarantine users will experience a simplified preview interface with clearer rendering and reduced visual cues for URL interactivity: What you can do to prepare: |
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| MC1189910 | (Updated) Configure Local Network Access Policy for Microsoft eCDN | You are receiving this message because our reporting indicates one or more users in your organization may be using this Microsoft eCDN. To maintain optimal performance for Teams Live Events and Town Halls, admins must configure the LocalNetworkAccessAllowedForUrls policy for Chrome-based browsers | You are receiving this message because our reporting indicates one or more users in your organization may be using Microsoft eCDN. To maintain optimal performance for Teams Live Events and Town Halls, admins must configure the LocalNetworkAccessAllowedForUrls policy for Chrome-based browsers. | N/A |
| MC1199765 | (Updated) Microsoft Purview: Role management update | Who is affected: All customers with admins assigned to high-privileged roles in Purview that access Microsoft 365 data. These admins will have their assignments synced to Entra, meaning they will be assigned membership to mapped Entra roles. What will happen: New roles will be created in Entra to map to Purview roles listed below. Existing role assignments will sync automatically. New assignments will sync from Purview to Entra within 15 minutes. If an admin has multiple Purview roles, they will receive the highest privilege Entra role: Administrator > Writer > Reader. Customers may see new Purview-specific Entra roles in audit logs. Do not assign to these roles directly in Entra; Purview manages them. Role Mapping Table: Purview Role(s)Mapped Entra Role Insider Risk Management Analysis Insider Risk Management Investigation Compliance Search Export Privacy Management Admin Privacy Management Analysis Privacy Management Investigation Privacy Management Permanent Contribution Privacy Management Temporary Contribution Privacy Management ViewerPurview Workload Content Reader Hold Privacy Management InvestigationPurview Workload Content Writer Search and PurgePurview Workload Content Administrator Example: If you have both Export and Search and Purge roles, you'll get the Purview Workload Content Administrator role in Entra. |
Who is affected: All customers with admins assigned to high-privileged roles in Purview that access Microsoft 365 data. These admins will have their assignments synced to Entra, meaning they will be assigned membership to mapped Entra roles. What will happen: New roles will be created in Entra to map to Purview roles listed below. Existing role assignments will sync automatically. New assignments will sync from Purview to Entra within 15 minutes. If an admin has multiple Purview roles, they will receive the highest privilege Entra role: Administrator > Writer > Reader. Customers may see new Purview-specific Entra roles in audit logs. Do not assign to these roles directly in Entra; Purview manages them. Role Mapping Table: Purview Role(s)Mapped Entra Role Insider Risk Management Analysis Insider Risk Management Investigation Compliance Search Export Privacy Management Admin Privacy Management Analysis Privacy Management Investigation Privacy Management Permanent Contribution Privacy Management Temporary Contribution Privacy Management Viewer Data Security Investigation ReviewerPurview Workload Content Reader Hold Privacy Management Investigation Data Security Investigation InvestigatorPurview Workload Content Writer Search and Purge Data Security Investigation Admin Data Security Investigation Analyst (New Role)Purview Workload Content Administrator Example: If you have both Export and Search and Purge roles, you'll get the Purview Workload Content Administrator role in Entra. |
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| MC1227071 | (Updated) Files in Outlook for iOS will open in Word, Excel or Powerpoint app on iPad | Who is affected: Users on iPad devices running Outlook who have the Word, Excel, or PowerPoint apps installed. What will happen: Some iPad users will find that Word, Excel, and PowerPoint attachments open directly in the corresponding app. Users without the Office apps installed will continue to use the in-app previewer. This is an experiment and may not become permanent. No admin configuration is required. What you can do to prepare: No action is required. You may choose to notify iPad users or update internal help documentation. Compliance considerations: No compliance considerations identified, review as appropriate for your organization. |
Who is affected: Users on iPad devices running Outlook who have the Word, Excel, or PowerPoint apps installed. What will happen: iPad users will find that Word, Excel, and PowerPoint attachments open directly in the corresponding app. Users without the Office apps installed will continue to use the in-app previewer. No admin configuration is required. What you can do to prepare: No action is required. You may choose to notify iPad users or update internal help documentation. Compliance considerations: No compliance considerations identified, review as appropriate for your organization. |
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| MC1235118 | (Updated) Microsoft Teams: Reduced automatic updates in Meet Now channel meeting threads | Who is affected: All Microsoft Teams users participating in meet now channel meetings. What will happen: Automatic meeting updates in channel conversations will be reduced. Channel threads will appear cleaner and reply counts will reflect actual user responses. Meeting details remain accessible by opening the meeting thread. No admin configuration changes are required; the feature is enabled by default. |
Who is affected: All Microsoft Teams users participating in meet now channel meetings. What will happen: Channel conversations will show fewer automatic meeting messages. Only a single "Meeting started" message will appear when a Meet now meeting begins. Other automatic updates (such as meeting end or recording updates) will appear inside the meeting thread, not as additional channel messages. Reply counts will reflect people's replies, not automatic system messages. Meeting details, join options, and recaps remain available by opening the meeting thread. No admin configuration changes are required; the feature is enabled by default. |
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| MC949965 | (Updated) Toggle to new Outlook | You are receiving this message because our reporting indicates one or more users in your organization are using Microsoft 365 Enterprise licenses. Users will have notice in the application prior to being toggled and will have the option to opt out of the experience in Outlook Options > General. Users who are toggled into new Outlook can toggle back to classic Outlook if they choose to. Users will not be toggled if one or more of the following is true: You have opted your users out of being automatically toggled per Admin-Controlled Migration to New Outlook New Outlook toggle is hidden via policy Perpetual license is in use On premise account User-facing article: Switch to new Outlook for Windows - Microsoft Support. We will continue to update this article as we get closer to April 2026. |
Who is affected: Microsoft 365 administrators managing Outlook for Windows. Users of classic Outlook for Windows. Organizations that previously disabled the new Outlook toggle or have not yet begun migration planning. What will happen: Migrated users will receive in‑app onboarding prompts and can switch back to classic Outlook if needed. Existing policies that disable or limit access to new Outlook will remain in effect. Admins can continue using Admin‑controlled migration to move users in a staged, reversible manner ahead of time. Users will not be migrated if one or more of the following is true: You have opted out users using the Policy of automatic migration New Outlook toggle is hidden via policy Perpetual license is in use On premise account |
03/01/2027 |
MC Messages changes
| MC ID | MC Title | Old Value | New Value | MC Action required by |
|---|---|---|---|---|
| MC1085133 | (Updated) Microsoft Teams: Rule-based enablement of Microsoft 365 third-party apps in the Teams admin center | Updated January 14, 2026: We have updated the timeline. This feature will now be included as part of another update referenced in MC796790. Administrators will gain the ability to manage Microsoft 365 certified SaaS applications through org-wide settings for third-party apps. No changes will be applied to tenant-wide settings unless initiated by an administrator. Thank you for your patience. This feature will empower administrators to manage the availability of trusted Microsoft Teams apps based on rules, for enhanced security. Admins will be able to manage Microsoft 365 certified apps in the Teams admin center through a new control in Org-wide settings. You can further customize the availability of these apps based on permissions accessed and publisher names. The system automatically checks the Microsoft 365 certified apps that meet all the conditions you specify and makes those apps available. This message is associated with Microsoft 365 Roadmap ID 485712. [When this will happen:] General Availability (Worldwide): We will begin rolling out mid-March 2026 (previously mid-February) and expect to complete by end of March 2026 (previously late February). |
Updated February 20, 2026: We have updated the timeline. This feature will now be included as part of another update referenced in MC796790. Administrators will gain the ability to manage Microsoft 365 certified SaaS applications through org-wide settings for third-party apps. No changes will be applied to tenant-wide settings unless initiated by an administrator. Thank you for your patience. This feature will empower administrators to manage the availability of trusted Microsoft Teams apps based on rules, for enhanced security. Admins will be able to manage Microsoft 365 certified apps in the Teams admin center through a new control in Org-wide settings. You can further customize the availability of these apps based on permissions accessed and publisher names. The system automatically checks the Microsoft 365 certified apps that meet all the conditions you specify and makes those apps available. This message is associated with Microsoft 365 Roadmap ID 485712. [When this will happen:] General Availability (Worldwide): We will begin rolling out early April (previously mid-March) and expect to complete by late April 2026 (previously end of March). |
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| MC1164381 | (Updated) OneDrive: Simplified file transfer for departing employees | Updated December 5, 2025: We have updated the timeline. Thank you for your patience. Introduction We're introducing enhancements to OneDrive that simplify the process of managing files when employees leave your organization. These updates improve visibility, streamline bulk transfers, and help ensure important content remains accessible and shared appropriately. This feature is associated with Microsoft 365 Roadmap ID 493946. When this will happen General Availability (Worldwide, GCC, GCCH, DoD): We will begin rolling out in mid-October and expect to complete by end of January 2026 (previously early December 2025). |
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. Introduction We're introducing enhancements to OneDrive that simplify the process of managing files when employees leave your organization. These updates improve visibility, streamline bulk transfers, and help ensure important content remains accessible and shared appropriately. This feature is associated with Microsoft 365 Roadmap ID 493946. When this will happen General Availability (Worldwide, GCC, GCCH, DoD): We will begin rolling out in mid-October and expect to complete by late April 2026 (previously end of January). |
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| MC1166867 | (Updated) Microsoft Defender for Office 365: Enhancing the quarantine email preview experience | Updated October 23, 2025: We have updated the timelines. Thank you for your patience. We're improving the email preview experience in Microsoft Defender for Office 365 to provide a clearer, more consistent, and secure workflow. These updates are designed to reduce ambiguity, simplify interactions, and reinforce security protections-helping organizations confidently use this feature as part of their protection strategy. When this will happen: General Availability (Worldwide): Rollout will begin in early November 2025 (previously mid-October) and is expected to complete by mid-December 2025 (previously early November). General Availability (GCC, GCCH, and DoD): Rollout will begin in mid-November 2025 (previously late October) and is expected to complete by mid-December 2025 (previously mid-November). |
Updated February 18, 2026: We have updated the content. Thank you for your patience. We're improving the email preview experience in Microsoft Defender for Office 365 to provide a clearer, more consistent, and secure workflow. These updates are designed to reduce ambiguity, simplify interactions, and reinforce security protections-helping organizations confidently use this feature as part of their protection strategy. When this will happen: General Availability (Worldwide): Rollout will begin in early November 2025 (previously mid-October) and is expected to complete by mid-December 2025 (previously early November). General Availability (GCC, GCCH, and DoD): Rollout will begin in mid-November 2025 (previously late October) and is expected to complete by mid-December 2025 (previously mid-November). |
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| MC1174856 | (Updated) Microsoft 365 Copilot: Session persistence enhancement for Copilot chat | Updated December 11, 2025: We have updated the content and timelines. Thank you for your patience. [Introduction] We're improving the reliability of Copilot chat by ensuring that conversations are preserved even when users navigate away from a chat. With this update, a session entry is created in the navigation pane as soon as a prompt is submitted. This allows users to return to the conversation later without losing context or progress. This capability will be available to Microsoft 365 Copilot Chat and Microsoft 365 Copilot users. This message is associated with Microsoft 365 Roadmap ID 500638. [When this will happen:] Worldwide (General Availability): Rolling out from December 12, 2025 (previously December 3), to January 12, 2026 (previously December 18, 2025) GCC: Rolling out from January 19, 2026 (previously January 3), to February 2, 2026 (previously January 30) GCC High: Rolling out from January 19, 2026 (previously January 3), to February 2, 2026 (previously January 30) DoD: Rolling out from January 19, 2026 (previously January 3), to February 2, 2026 (previously January 30) |
Updated February 17, 2026: We have updated the content and timelines. Thank you for your patience. [Introduction] We're improving the reliability of Copilot chat by ensuring that conversations are preserved even when users navigate away from a chat. With this update, a session entry is created in the navigation pane as soon as a prompt is submitted. This allows users to return to the conversation later without losing context or progress. This capability will be available to Microsoft 365 Copilot Chat and Microsoft 365 Copilot users. This message is associated with Microsoft 365 Roadmap ID 500638. [When this will happen:] Worldwide (General Availability): Rolling out from December 12, 2025 (previously December 3), to March 2026 (previously January 12) GCC: Rolling out from January 19, 2026 (previously January 3), to March 2026 (previously February 2) GCC High: Rolling out from January 19, 2026 (previously January 3), to March 2026 (previously February 2) DoD: Rolling out from January 19, 2026 (previously January 3), to March 2026 (previously February 2) |
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| MC1182698 | (Updated) Microsoft Copilot Notebooks: Overview page with Copilot-powered summaries and insights | Updated November 19, 2025: We have updated the timeline. Thank you for your patience. We are introducing Copilot-powered summaries and insights as a landing page within Copilot Notebooks. This feature is designed to help users quickly gain an understanding of the references in their notebooks. The feature will initially be available in the web experience (Preview and General Availability), with mobile availability (iOS and Android) planned for a future release. A Microsoft 365 Copilot license is required to use this feature. This message is associated with Microsoft 365 Roadmap ID 512430. [When this will happen:] Public Preview (Worldwide): Rollout begins in mid-November 2025 and is expected to complete by early December 2025. General Availability (Worldwide): Rollout begins in January 2026 (previously early December 2025) and is expected to complete by February 2026 (previously mid-January). |
Updated February 20, 2026: We have updated the timeline. Thank you for your patience. We are introducing Copilot-powered summaries and insights as a landing page within Copilot Notebooks. This feature is designed to help users quickly gain an understanding of the references in their notebooks. The feature will initially be available in the web experience (Preview and General Availability), with mobile availability (iOS and Android) planned for a future release. A Microsoft 365 Copilot license is required to use this feature. This message is associated with Microsoft 365 Roadmap ID 512430. [When this will happen:] Public Preview (Worldwide): Rollout begins in mid-November 2025 and is expected to complete by early December 2025. General Availability (Worldwide): Rollout begins early February 2026 (previously January) and is expected to complete by mid-March 2026 (previously February). |
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| MC1183006 | (Updated) Introducing simplified admin controls to manage external collaboration in Teams admin center | Updated December 1, 2025: We have updated the timeline. Thank you for your patience. [Introduction:] We're introducing a simplified external collaboration (EC) admin experience in Microsoft Teams to help administrators manage external collaboration settings more efficiently. This update introduces two predefined collaboration modes-Open and Controlled-as well as a Custom mode for organizations with unique requirements. The new experience provides a streamlined interface in the Teams admin center (TAC) for configuring external collaboration policies across chats, calls, meetings, Teams, and channels (including shared channels). [When this will happen:] Public Preview: Rolling out mid-November 2025; expected completion by mid-November 2025. General Availability (Worldwide): Rolling out mid-February 2026 (previously late January); expected completion by late February 2026 (previously early February). |
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. [Introduction:] We're introducing a simplified external collaboration (EC) admin experience in Microsoft Teams to help administrators manage external collaboration settings more efficiently. This update introduces two predefined collaboration modes-Open and Controlled-as well as a Custom mode for organizations with unique requirements. The new experience provides a streamlined interface in the Teams admin center (TAC) for configuring external collaboration policies across chats, calls, meetings, Teams, and channels (including shared channels). [When this will happen:] Public Preview: Rolling out mid-November 2025; expected completion by mid-November 2025. General Availability (Worldwide): Rolling out late February 2026 (previously mid-February); expected completion by late February 2026 (previously early February). |
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| MC1183009 | (Updated) Microsoft 365 Copilot: Podcast voice interactions make audio experiences conversational | Updated January 22, 2026: We have updated the timeline. This feature will be enabled for en-US only initially. Thank you for your patience. [Introduction:] Audio summaries help users absorb content quickly, but they've traditionally been passive, one-way experiences. Listeners can't clarify, explore, or dive deeper without breaking flow - forcing them to pause, switch modes, and manually search for answers. Based on feedback for more dynamic and immersive audio experiences, Microsoft is introducing real-time voice interactions in Podcast. The new interactive podcast feature transforms this into a dynamic, conversational experience, where users can join the hosts' discussion of their document, ask questions in real time, and uncover insights naturally - staying immersed while gaining understanding faster. This message is associated with Microsoft 365 Roadmap ID 523206. [When this will happen:] General Availability (Worldwide): Rollout will begin in early February 2026 (previously early January) and is expected to complete by early March 2026 (previously end of January). |
Updated February 17, 2026: We have updated the timeline. This feature will be enabled for en-US only initially. Thank you for your patience. [Introduction:] Audio summaries help users absorb content quickly, but they've traditionally been passive, one-way experiences. Listeners can't clarify, explore, or dive deeper without breaking flow - forcing them to pause, switch modes, and manually search for answers. Based on feedback for more dynamic and immersive audio experiences, Microsoft is introducing real-time voice interactions in Podcast. The new interactive podcast feature transforms this into a dynamic, conversational experience, where users can join the hosts' discussion of their document, ask questions in real time, and uncover insights naturally - staying immersed while gaining understanding faster. This message is associated with Microsoft 365 Roadmap ID 523206. [When this will happen:] General Availability (Worldwide): Rollout will begin in early March 2026 (previously early February) and is expected to complete by early April 2026 (previously early March). |
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| MC1183611 | (Updated) Consult and merge into a meeting or group call via Dual-Tone Multi-Frequency (DTMF) | Updated January 13, 2026: We have updated the timeline. Thank you for your patience. [Introduction] To improve collaboration and streamline meeting workflows, Microsoft Teams is introducing the ability to consult and merge Public Switched Telephone Network (PSTN) callers into active meetings-even when those callers are behind auto-attendants or Interactive Voice Response (IVR) systems that require Dual-Tone Multi-Frequency (DTMF) navigation. This enhancement allows users to reach subject matter experts via dial-in and seamlessly bring them into the broader conversation. This message is associated with Microsoft 365 Roadmap ID 518218. |
Updated February 20, 2026: We have updated the timeline. Thank you for your patience. [Introduction] To improve collaboration and streamline meeting workflows, Microsoft Teams is introducing the ability to consult and merge Public Switched Telephone Network (PSTN) callers into active meetings-even when those callers are behind auto-attendants or Interactive Voice Response (IVR) systems that require Dual-Tone Multi-Frequency (DTMF) navigation. This enhancement allows users to reach subject matter experts via dial-in and seamlessly bring them into the broader conversation. This message is associated with Microsoft 365 Roadmap ID 518218. |
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| MC1184994 | (Updated) Microsoft Teams frontline BYOD onboarding wizard | Updated January 14, 2026: We have updated the timeline. Thank you for your patience. [Introduction] To support frontline workers using personal devices, Microsoft is introducing a dynamic onboarding wizard for Microsoft Teams. This experience is designed to simplify setup on Android and iOS devices, especially in environments with security policies like multi-factor authentication (MFA) and mobile application management. The wizard adapts automatically to your organization's policies, helping drive secure and efficient Bring Your Own Device (BYOD) adoption. This message is associated with Roadmap ID 523213. [When this will happen:] Public Preview: Rollout begins in late November 2025 and is and expected to complete by mid-January 2026 General Availability: Rollout begins in mid-March 2026 (previously mid-February) and is and expected to complete by end of March 2026 (previously end of February) |
Updated February 19, 2026: We have updated the timeline. Thank you for your patience. [Introduction] To support frontline workers using personal devices, Microsoft is introducing a dynamic onboarding wizard for Microsoft Teams. This experience is designed to simplify setup on Android and iOS devices, especially in environments with security policies like multi-factor authentication (MFA) and mobile application management. The wizard adapts automatically to your organization's policies, helping drive secure and efficient Bring Your Own Device (BYOD) adoption. This message is associated with Roadmap ID 523213. [When this will happen:] Public Preview: Rollout begins in late November 2025 and is and expected to complete by mid-January 2026 General Availability: Rollout begins in late April 2026 (previously mid-March) and is and expected to complete by early May 2026 (previously end of March). |
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| MC1187682 | (Updated) Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding | Updated January 15, 2026: We have updated the timeline. Thank you for your patience. [Introduction:] Microsoft Edge for Business will soon support summarization and contextual grounding with Microsoft 365 Copilot Chat. This enhancement enables users to ask Copilot questions about multiple open browser tabs, Microsoft 365 documents (such as Word, Excel, PowerPoint), and YouTube videos directly from the Edge side pane. This message is associated with Microsoft 365 Roadmap ID 496364, 499423, and 499424. [When this will happen:] General Availability (Worldwide): We will begin rolling out in mid-March 2026 (previously late January). |
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. [Introduction:] Microsoft Edge for Business will soon support summarization and contextual grounding with Microsoft 365 Copilot Chat. This enhancement enables users to ask Copilot questions about multiple open browser tabs, Microsoft 365 documents (such as Word, Excel, PowerPoint), and YouTube videos directly from the Edge side pane. This message is associated with Microsoft 365 Roadmap ID 496364, 499423, and 499424. [When this will happen:] General Availability (Worldwide): We will begin rolling out in mid-February (previously mid-March). |
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| MC1188222 | (Updated) Microsoft Teams: Private chat for organizers and presenters in structured meetings, webinars, and town halls | Updated January 8, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We're introducing a private chat feature for organizers, co-organizers, and presenters in structured meetings and webinars in Microsoft Teams. This separate chat enhances collaboration by allowing key participants to communicate privately before, during, and after the event, without involving attendees. Additionally, we are unifying backroom chat behavior in town halls to ensure consistent functionality across all structured meetings. Currently, backroom chat behavior varies depending on whether streaming chat is enabled for town halls and whether the organizer has a Teams Premium license. This update removes that inconsistency. This message is associated with Roadmap ID 392328 and applies to Teams for Windows desktop, Teams for Mac desktop, Teams for the web, Teams for iOS/Android, MTR-W and MTR-A devices. [When this will happen:] Targeted Release: Rollout begins in early March 2026 (previously early February) and is expected to complete by mid-March 2026 (previously mid-February). General Availability (Worldwide and GCC): Rollout begins in mid-March 2026 (previously mid-February) and is expected to complete by late March 2026 (previously late February). |
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We're introducing a private chat feature for organizers, co-organizers, and presenters in structured meetings and webinars in Microsoft Teams. This separate chat enhances collaboration by allowing key participants to communicate privately before, during, and after the event, without involving attendees. Additionally, we are unifying backroom chat behavior in town halls to ensure consistent functionality across all structured meetings. Currently, backroom chat behavior varies depending on whether streaming chat is enabled for town halls and whether the organizer has a Teams Premium license. This update removes that inconsistency. This message is associated with Roadmap ID 392328 and applies to Teams for Windows desktop, Teams for Mac desktop, Teams for the web, Teams for iOS/Android, MTR-W and MTR-A devices. [When this will happen:] Targeted Release: Rollout begins in early April 2026 (previously early March) and is expected to complete by late April 2026 (previously mid-March). General Availability (Worldwide and GCC): Rollout begins in mid-April 2026 (previously mid-March) and is expected to complete by late April 2026 (previously late March). |
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| MC1189910 | (Updated) Configure Local Network Access Policy for Microsoft eCDN | We're making some changes to the Microsoft eCDN configuration. Starting with Chrome 142, browsers will enforce Local Network Access restrictions that may impact Microsoft eCDN peer-to-peer functionality. |
Updated February 19, 2026: We have updated the content. Thank you for your patience. We're making some changes to the Microsoft eCDN configuration. Starting with Chrome 146, browsers will enforce Local Network Access restrictions that may impact Microsoft eCDN peer-to-peer functionality. |
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| MC1191915 | (Updated) Microsoft Viva: Copilot Dashboard - Broader access to M365 Copilot Chat insights | Updated February 9, 2026: We have updated the timeline and content. Thank you for your patience. [Introduction] We are excited to announce the upcoming rollout of Microsoft 365 Copilot Chat Adoption Metrics in Microsoft Copilot Dashboard to tenants that have at least one Microsoft 365 Copilot license assigned. This feature has been previously released to tenants that have at least 50 assigned Viva Insights licenses, or 50 assigned Microsoft 365 Copilot licenses. This feature empowers organizations with powerful insights into the adoption and usage of M365 Copilot Chat by users who are not licensed for M365 Copilot. Insights include usage trends, retention and usage intensity insights, app-level breakdowns, and filtering by organizational attributes. This experience will be enabled by default for tenants with at least 1 M365 Copilot license. You can disable insights for Copilot Chat (unlicensed) in Viva Feature Access Management, either at user- or tenant-level. Screenshot: Copilot chat adoption in Copilot Dashboard This message is associated with Roadmap ID 501581. |
Updated February 19, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We are excited to announce the upcoming rollout of Microsoft 365 Copilot Chat Adoption Metrics in Microsoft Copilot Dashboard to tenants that have at least one Microsoft 365 Copilot license assigned. This feature has been previously released to tenants that have at least 50 assigned Viva Insights licenses, or 50 assigned Microsoft 365 Copilot licenses. This feature empowers organizations with powerful insights into the adoption and usage of M365 Copilot Chat by users who are not licensed for M365 Copilot. Insights include usage trends, retention and usage intensity insights, app-level breakdowns, and filtering by organizational attributes. This experience will be enabled by default for tenants with at least 1 M365 Copilot license. You can disable insights for Copilot Chat (unlicensed) in Viva Feature Access Management, either at user- or tenant-level. Screenshot: Copilot chat adoption in Copilot Dashboard This message is associated with Roadmap ID 501581. |
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| MC1193421 | (Updated) Retirement of several Microsoft Planner features in early 2026 as part of a Planner update | Updated February 13, 2026: We have updated the content. Thank you for your patience. [Introduction] In early 2026, a major update of Planner will begin rolling out. This update will introduce several new capabilities. In addition, several features will be retired from Microsoft Planner. These changes will begin rolling out between mid-January 2026 and mid-February 2026. [When this will happen:] Refer to the sections below for details on timing. |
Updated February 19, 2026: Performance may be slower on some browsers for large basic plans with more than 300 tasks. For best results, please use the latest versions of Edge (144 or higher) or Chrome (144 or higher). Meanwhile, we're also working on an update that we expect to improve performance. [Introduction] In early 2026, a major update of Planner will begin rolling out. This update will introduce several new capabilities. In addition, several features will be retired from Microsoft Planner. These changes will begin rolling out between mid-January 2026 and mid-February 2026. [When this will happen:] Refer to the sections below for details on timing. |
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| MC1194079 | (Updated) Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures | [Introduction] We're introducing the Restart Event feature in Microsoft Teams Events to improve resiliency for live events. This feature lets organizers restart a live event that encounters an unrecoverable failure, minimizing disruption and ensuring continuity for Town Halls and other large meetings. This message is associated with Microsoft 365 Roadmap ID 523214. [When this will happen] General Availability (Worldwide): We will begin rolling out in early January 2026 and expect to complete by late January 2026. General Availability (GCC and GCCH): We will begin rolling out in late January 2026 and expect to complete by early February 2026. General Availability (DoD): We will begin rolling out in early February 2026 and expect to complete by early February 2026. |
Updated February 20, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We're introducing the Restart Event feature in Microsoft Teams Events to improve resiliency for live events. This feature lets organizers restart a live event that encounters an unrecoverable failure, minimizing disruption and ensuring continuity for Town Halls and other large meetings. This message is associated with Microsoft 365 Roadmap ID 523214. [When this will happen] General Availability (Worldwide): We will begin rolling out in early January 2026 and expect to complete by end of March 2026 (previously late January). General Availability (GCC and GCCH): We will begin rolling out in late January 2026 and expect to complete by end of March 2026 (previously early February). General Availability (DoD): We will begin rolling out in early February 2026 and expect to complete by end of March 2026 (previously early February). |
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| MC1197146 | (Updated) Express voice enrollment in Microsoft Teams | Updated January 21, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Express voice enrollment in Microsoft Teams makes registering your voice profile quick and seamless. A voice profile enables features such as voice isolation, speaker recognition, identification in meeting rooms, improved transcripts, and enhanced meeting recaps and insights powered by Microsoft 365 Copilot. If you haven't enrolled, you'll receive an in-product prompt to opt in and enroll simply by speaking during a meeting. Admins can enable or disable this feature for their organization. This message is associated with Roadmap ID 537269. [When this will happen:] Targeted Release: Rollout begins early March 2026 (previously early February) and is expected to complete by mid-March 2026 (previously mid-February). General Availability: Rollout begins mid-March 2026 (previously mid-February) and is expected to complete by end of March 2026 (previously end of February). |
Updated February 20, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Express voice enrollment in Microsoft Teams makes registering your voice profile quick and seamless. A voice profile enables features such as voice isolation, speaker recognition, identification in meeting rooms, improved transcripts, and enhanced meeting recaps and insights powered by Microsoft 365 Copilot. If you haven't enrolled, you'll receive an in-product prompt to opt in and enroll simply by speaking during a meeting. Admins can enable or disable this feature for their organization. This message is associated with Roadmap ID 537269. [When this will happen:] Targeted Release: Rollout begins early April 2026 (previously early March) and is expected to complete by mid-April 2026 (previously mid-March). General Availability: Rollout begins mid-April 2026 (previously mid-March) and is expected to complete by end of April 2026 (previously end of March). |
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| MC1199765 | (Updated) Microsoft Purview: Role management update | [Introduction] To strengthen security when Microsoft Purview interacts with Microsoft 365 services (Exchange, SharePoint, OneDrive, and Teams), we're updating how roles are managed in Microsoft Purview. Certain admin roles in Purview will now be mapped to three newly created roles in Microsoft Entra. Role assignments will be synchronized between Purview roles and Entra roles without any customer action. This ensures that user permissions and identity flow securely from Purview to Microsoft 365. M365 services will only allow high-privileged operations like search/export to Purview users with the correct level of permissions in Entra, further protecting customer data. [When this will happen:] General Availability (Worldwide): Rollout begins mid-February 2026, finishes by late March 2026. |
Updated February 17, 2026: We have updated the content. Thank you for your patience. [Introduction] To strengthen security when Microsoft Purview interacts with Microsoft 365 services (Exchange, SharePoint, OneDrive, and Teams), we're updating how roles are managed in Microsoft Purview. Certain admin roles in Purview will now be mapped to three newly created roles in Microsoft Entra. Role assignments will be synchronized between Purview roles and Entra roles without any customer action. This ensures that user permissions and identity flow securely from Purview to Microsoft 365. M365 services will only allow high-privileged operations like search/export to Purview users with the correct level of permissions in Entra, further protecting customer data. [When this will happen:] General Availability (Worldwide): Rollout begins mid-February 2026, finishes by late March 2026. |
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| MC1216263 | (Updated) Microsoft Teams: Browser selection for links in Teams Mobile | To improve security and user experience, Teams Mobile users on Android and iOS will soon be able to choose which browser opens non‑Office and PDF links. This update encourages the use of Microsoft Edge-which supports Single Sign-On (SSO), Copilot, and enhanced security-while still allowing users to choose their preferred browser. [When this will happen] General Availability (Worldwide): Rollout will begin in February 2026 and is expected to complete by late February 2026. General Availability (DoD, GCC, and GCCH): Rollout will begin in late February 2026 and is expected to complete by late February 2026. During rollout, we will monitor user satisfaction (DSAT), Microsoft Edge installation rates, and retention. |
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. To improve security and user experience, Teams Mobile users on Android and iOS will soon be able to choose which browser opens non‑Office and PDF links. This update encourages the use of Microsoft Edge-which supports Single Sign-On (SSO), Copilot, and enhanced security-while still allowing users to choose their preferred browser. [When this will happen] General Availability (Worldwide): Rollout will begin in late February 2026 and is expected to complete by late February 2026. General Availability (DoD, GCC, and GCCH): Rollout will begin in late February 2026 and is expected to complete by late February 2026. During rollout, we will monitor user satisfaction (DSAT), Microsoft Edge installation rates, and retention. |
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| MC1218423 | (Updated) Microsoft Teams: Viva Engage communities in Teams | Updated January 20, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We're introducing Viva Engage communities in Microsoft Teams to make it easier for employees to connect, share, and learn across your organization. This new experience brings discoverable, asynchronous conversations and leadership engagement into Teams-helping employees explore ideas and perspectives beyond project-based collaboration. This message is associated with Microsoft 365 Roadmap ID 513274. [When this will happen] General Availability (Worldwide): April 2026 (previously March) to May 2026 (previously April) |
Updated February 20, 2026: We have updated the content. Thank you for your patience. [Introduction] We're introducing Viva Engage communities in Microsoft Teams to make it easier for employees to connect, share, and learn across your organization. This new experience brings discoverable, asynchronous conversations and leadership engagement into Teams-helping employees explore ideas and perspectives beyond project-based collaboration. This message is associated with Microsoft 365 Roadmap ID 513274. [When this will happen] General Availability (Worldwide): April 2026 (previously March) to May 2026 (previously April) |
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| MC1218713 | (Updated) Microsoft Teams: Organization evaluation score for apps and agents | [Introduction] Today, admins must manually review trust and compliance information for Teams apps and agents to determine whether they meet their organization's security, privacy, and compliance requirements. To make this process more scalable and consistent, Teams will introduce a centralized evaluation experience. Admins will define their organization's trust requirements once, and the system will generate a score and detailed evaluation report for each app and agent based on those requirements. This will help organizations make faster, more consistent approval decisions. This message is associated with Microsoft 365 Roadmap ID 532720. [When this will happen] General Availability (Worldwide and GCC): We will begin rollout in mid-February 2026 and expect to complete by the end of February 2026. |
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Today, admins must manually review trust and compliance information for Teams apps and agents to determine whether they meet their organization's security, privacy, and compliance requirements. To make this process more scalable and consistent, Teams will introduce a centralized evaluation experience. Admins will define their organization's trust requirements once, and the system will generate a score and detailed evaluation report for each app and agent based on those requirements. This will help organizations make faster, more consistent approval decisions. This message is associated with Microsoft 365 Roadmap ID 532720. [When this will happen] General Availability (Worldwide and GCC): We will begin rollout in late February 2026 (previously mid-February) and expect to complete by the end of February 2026. |
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| MC1218713 | (Updated) Microsoft Teams: Organization evaluation score for apps and agents | Updated February 17, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Today, admins must manually review trust and compliance information for Teams apps and agents to determine whether they meet their organization's security, privacy, and compliance requirements. To make this process more scalable and consistent, Teams will introduce a centralized evaluation experience. Admins will define their organization's trust requirements once, and the system will generate a score and detailed evaluation report for each app and agent based on those requirements. This will help organizations make faster, more consistent approval decisions. This message is associated with Microsoft 365 Roadmap ID 532720. [When this will happen] General Availability (Worldwide and GCC): We will begin rollout in late February 2026 (previously mid-February) and expect to complete by the end of February 2026. |
Updated February 20, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Today, admins must manually review trust and compliance information for Teams apps and agents to determine whether they meet their organization's security, privacy, and compliance requirements. To make this process more scalable and consistent, Teams will introduce a centralized evaluation experience. Admins will define their organization's trust requirements once, and the system will generate a score and detailed evaluation report for each app and agent based on those requirements. This will help organizations make faster, more consistent approval decisions. This message is associated with Microsoft 365 Roadmap ID 532720. [When this will happen] Targeted release/Preview: We will begin rollout in late February 2026 and expect to complete by the end of March 2026. General Availability (Worldwide and GCC): We will begin rollout in early May 2026 (previously late February) and expect to complete by the end of May 2026 (previously end of February). |
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| MC1223827 | (Updated) Microsoft Teams: New Drafts quick view | [Introduction] Microsoft Teams is introducing a new Drafts quick view feature to help users easily find, edit, and send draft messages. This enhancement improves productivity by making unsent drafts more accessible. This message is associated with Roadmap ID 542789. |
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Microsoft Teams is introducing a new Drafts quick view feature to help users easily find, edit, and send draft messages. This enhancement improves productivity by making unsent drafts more accessible. This message is associated with Roadmap ID 542789. |
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| MC1226220 | (Updated) App names hidden in app bar for a cleaner, more focused experience | Updated February 13, 2026: We have updated the content. Thank you for your patience. [Introduction] We are updating the Microsoft Teams app bar to create a cleaner and more focused experience. App names will be hidden by default, showing only app icons. This helps reduce visual noise and improves overall navigation clarity. Users can choose to show app names again in Settings. Accessibility reviews have been conducted to verify compliance and ensure screen readers are working properly. [When this will happen] General Availability (Worldwide): We will begin rolling out in mid-March 2026 (previously late February) and expect to complete by early April 2026 (previously early March). |
Updated February 17, 2026: We have updated the content. Thank you for your patience. [Introduction] We are updating the Microsoft Teams app bar to create a cleaner and more focused experience. App names will be hidden by default, showing only app icons. Users can still view the app name by hovering over an app icon or navigating to it with keyboard focus, which displays the app name in a tooltip, as it exists today. This update simplifies the app bar by reducing visual noise. Users can choose to show app names anytime in Settings > Appearance. Accessibility reviews have been conducted to verify compliance and ensure screen readers are working properly. [When this will happen] General Availability (Worldwide): We will begin rolling out in mid-March 2026 (previously late February) and expect to complete by early April 2026 (previously early March). |
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| MC1227071 | (Updated) Files in Outlook for iOS will open in Word, Excel or Powerpoint app on iPad | Introduction We're conducting an experiment that changes how Word, Excel, and PowerPoint file attachments open in Outlook for iOS. For iPad users only, these files may open directly in the Word, Excel, or PowerPoint apps when they are installed, instead of using the in-app previewer. When this will happen: General Availability (Worldwide, GCC, GCCH, DoD): We will begin rolling out this experiment in early to mid-February 2026 and expect to decide whether to proceed with or stop the rollout by the late March 2026. |
Updated February 19, 2026: We have updated the content. Thank you for your patience. Introduction We're changing how Word, Excel, and PowerPoint file attachments open in Outlook for iOS. For iPad users only, these files will open directly in the Word, Excel, or PowerPoint apps when they are installed, instead of using the in-app previewer. When this will happen: General Availability (Worldwide, GCC, GCCH, DoD): We will begin rolling this out in early to mid-February 2026 and expect to complete the rollout by late March 2026. |
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| MC1227087 | (Updated) Events in Meet app – Introducing a redesigned, unified Events experience in Microsoft Teams | [Introduction] We are introducing a redesigned Meet app in Microsoft Teams that delivers a new, unified Events experience. This update modernizes how users create, discover, and manage events-bringing webinars, town halls, and custom events into a single streamlined workflow. Users will continue to access their current Meetings and Audio recap experiences without any disruption. Screenshot 1: Discover experience for attendees showing Events happening now and upcoming This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web and is associated with Microsoft 365 Roadmap ID 547834. |
Updated February 20, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We are introducing a redesigned Meet app in Microsoft Teams that delivers a new, unified Events experience. This update modernizes how users create, discover, and manage events-bringing webinars, town halls, and custom events into a single streamlined workflow. Users will continue to access their current Meetings and Audio recap experiences without any disruption. Screenshot 1: Discover experience for attendees showing Events happening now and upcoming This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web and is associated with Microsoft 365 Roadmap ID 547834. |
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| MC1235118 | (Updated) Microsoft Teams: Reduced automatic updates in Meet Now channel meeting threads | [Introduction] We're improving meet now channel meetings in Microsoft Teams by reducing automatic meeting updates in channel conversations. This change helps keep channels cleaner and focused on real user replies, while meeting details remain accessible when you open the meeting thread. [When this will happen:] Targeted Release: Rolling out mid-March 2026, expected to complete by early April 2026. General Availability (Worldwide): Rolling out early April 2026, expected to complete by mid-April 2026. General Availability (GCC, GCCHigh, DoD): Rolling out late April 2026, expected to complete by mid-May 2026. |
Updated February 20, 2026: We have updated the content. Thank you for your patience. [Introduction] We're improving meet now channel meetings in Microsoft Teams by reducing automatic meeting updates in channel conversations. This change helps keep channels cleaner and focused on real user replies, while meeting details remain accessible when you open the meeting thread. [When this will happen:] Targeted Release: Rolling out mid-March 2026, expected to complete by early April 2026. General Availability (Worldwide): Rolling out early April 2026, expected to complete by mid-April 2026. General Availability (GCC, GCCHigh, DoD): Rolling out late April 2026, expected to complete by mid-May 2026. |
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| MC795355 | (Updated) Microsoft Teams admin center: App centric management for app installation and changes to app setup policies | Updated December 4, 2025: We have updated the timeline. Thank you for your patience. Coming soon for Microsoft Teams: App centric management for admin app installation introduces new admin settings to control who in the tenant has specific Teams apps preinstalled. Similar to app centric management for app availability, as communicated in MC688930 (Updated) Teams admin center: App centric management and changes to app permission policies (November 2023), admins will be able to install apps for users, groups, or everyone in the organization. After rollout, app-centric management will let admins install apps individually. Existing Installed apps in app setup policies will remain intact; however, no new additions will be permitted, and only deletions will be allowed. Instead, you can install Teams apps for selected users, groups, or all users directly from the respective app. Other settings in app setup policies, including Pinned apps, will remain unchanged. This message is associated with Microsoft 365 Roadmap ID 394274 and 500637. [When this will happen:] App centric management will roll out in following General Availability phases. Phase 1 | We will begin rolling this feature mid-October 2025 and complete rollout by end of February 2026 (previously end of November 2025). Phase 1 applies to tenants who meet both conditions: 1) tenants with no Installed apps in the Global app setup policy and 2) tenants with no custom app setup policies created in the Teams admin center. Phase 2 | We will begin rolling this feature end of October 2025 and complete rollout by end of February 2026 (previously mid-December 2025) for all remaining tenants. |
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. Coming soon for Microsoft Teams: App centric management for admin app installation introduces new admin settings to control who in the tenant has specific Teams apps preinstalled. Similar to app centric management for app availability, as communicated in MC688930 (Updated) Teams admin center: App centric management and changes to app permission policies (November 2023), admins will be able to install apps for users, groups, or everyone in the organization. After rollout, app-centric management will let admins install apps individually. Existing Installed apps in app setup policies will remain intact; however, no new additions will be permitted, and only deletions will be allowed. Instead, you can install Teams apps for selected users, groups, or all users directly from the respective app. Other settings in app setup policies, including Pinned apps, will remain unchanged. This message is associated with Microsoft 365 Roadmap ID 394274 and 500637. [When this will happen:] App centric management will roll out in following General Availability phases. Phase 1 | We will begin rolling this feature mid-October 2025 and complete rollout by end of March 2026 (previously end of February). Phase 1 applies to tenants who meet both conditions: 1) tenants with no Installed apps in the Global app setup policy and 2) tenants with no custom app setup policies created in the Teams admin center. Phase 2 | We will begin rolling this feature end of October 2025 and complete rollout by end of March 2026 (previously end of February) for all remaining tenants. |
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| MC796790 | (Update)Microsoft 365 and Microsoft Teams: Unified management of Teams apps in Teams, Outlook, and the Microsoft 365 app | Updated November 18, 2025: We have updated the timeline and content below. Thank you for your patience. What it is Microsoft is rolling out a new feature to streamline how app and agent availability is managed across Teams, Outlook, and Microsoft 365 Copilot. Until now, IT admins configured availability settings separately in both the Microsoft 365 Admin Center (MAC) and the Teams Admin Center (TAC), which led to mismatches. With this update, you'll be able to unify availability policies for apps and agents across both portals, making app management more consistent and efficient. This message is associated with Microsoft 365 Roadmap ID 393931 and 503105. When this will happen: We will begin rolling out this feature late September 2025 and expect to complete by end of June 2026 (previously mid-November 2025). 1. Phase 1 - Default Tenant Unification We will begin rolling out this feature at the end of September 2025. This initial phase targets tenants that have never modified their organization-wide defaults, app availability, or block/unblock in either the Microsoft 365 admin center or the Teams admin center. At the end of this phase, agent and app manageability will be unified across both Microsoft 365 admin center and Teams admin center ensuring agent and Microsoft 365 apps availability policies are in alignment for all future administrative changes. This message is associated with Microsoft 365 Roadmap ID 393931. 2. Phase 2 - Modified Tenants Unification This phase targets tenants that have previously modified their organization-wide defaults, app availability, or block/unblock settings in either admin center. These tenants will be transitioned to a unified management experience across both Microsoft 365 and Teams admin centers. For tenants with no agent or app availability differences across both admin centers, guidance will be provided to help maintain unified availability policy for all future changes. We will begin rolling out this feature in early November 2025. This message is associated with Microsoft 365 Roadmap ID 503105. This message is associated with Microsoft 365 Roadmap ID 485712. |
Updated February 17, 2026: We have updated the timeline and content below. Thank you for your patience. What it is Microsoft is rolling out a new feature to streamline how app and agent availability is managed across Teams, Outlook, and Microsoft 365 Copilot. Until now, IT admins configured availability settings separately in both the Microsoft 365 Admin Center (MAC) and the Teams Admin Center (TAC), which led to mismatches. With this update, you'll be able to unify availability policies for apps and agents across both portals, making app management more consistent and efficient. This message is associated with Microsoft 365 Roadmap ID 393931, 485712 and 503105. When this will happen: We will begin rolling out this feature late September 2025 and expect to complete by end of June 2026 (previously mid-November 2025). 1. Phase 1 - Default Tenant Unification We will begin rolling out this feature at the end of September 2025. This initial phase targets tenants that have never modified their organization-wide defaults, app availability, or block/unblock in either the Microsoft 365 admin center or the Teams admin center. At the end of this phase, agent and app manageability will be unified across both Microsoft 365 admin center and Teams admin center ensuring agent and Microsoft 365 apps availability policies are in alignment for all future administrative changes. This message is associated with Microsoft 365 Roadmap ID 393931. 2. Phase 2 - Modified Tenants Unification This phase targets tenants that have previously modified their organization-wide defaults, app availability, or block/unblock settings in either admin center. These tenants will be transitioned to a unified management experience across both Microsoft 365 and Teams admin centers. For tenants with no agent or app availability differences across both admin centers, guidance will be provided to help maintain unified availability policy for all future changes. We will begin rolling out this feature in early November 2025. This message is associated with Microsoft 365 Roadmap ID 485712 & 503105. This message is associated with Microsoft 365 Roadmap ID 485712 & 503105. |
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| MC929020 | (Updated) Microsoft Loop – Admin Usage Reports | Updated August 20, 2025: After further review, this has been delayed. A new Message Center post will be published closer to the updated release date. It will still correspond to the existing Roadmap ID 421611. We apologize for any inconvenience. View and monitor Loop usage in the tenant through existing Microsoft 365 admin usage dashboards. This message is associated with Microsoft 365 Roadmap ID 421611. [When this will happen:] General Availability (Worldwide): We will communicate via Message center when the rollout date is getting closer. |
Updated February 19, 2026: After further review, this has been delayed. A new Message Center post will be published closer to the updated release date. It will still correspond to the existing Roadmap ID 421611. We apologize for any inconvenience. View and monitor Loop usage in the tenant through existing Microsoft 365 admin usage dashboards. This message is associated with Microsoft 365 Roadmap ID 421611. [When this will happen:] General Availability (Worldwide): We will communicate via Message center when the rollout date is getting closer. |
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| MC949965 | (Updated) Toggle to new Outlook | We're making some changes to the migration from classic Outlook to new Outlook for Windows. We aim to give more than 12 months of notice to help our customers prepare. Starting April 2026, users with Microsoft 365 for Enterprise licenses will be toggled from classic Outlook for Windows to new Outlook for Windows. Users will be toggled into new Outlook once with this roll-out, with potential to be toggled again in the future. Users will maintain the ability to go back to and use classic Outlook. Our goal with this change is to give users an opportunity to try new Outlook as millions of users already have. New Outlook gives users the most modern experience with Copilot features, theming, and a wave of valuable time-saving features like Pinning and Snoozing mails. Users are also welcome to give us feedback on new Outlook using Feedback in the Help ribbon, so we can tailor the best email and calendar experience. [When this will happen:] General Availability (Worldwide): We will begin rolling out April 2026. |
Updated February 20, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Microsoft is updating the opt‑out phase start date for new Outlook for Windows in Enterprise environments from April 2026 to March 2027. [When this will happen:] The opt‑out phase for Enterprise environments will now begin in March 2027 (previously April 2026), providing organizations with 12 months of lead time to prepare. GCC High and DoD timelines will be communicated separately at a later date. Why is there a change to the timeline? We're seeing strong and accelerating adoption of new Outlook as organizations progress on timelines that match their readiness. At the same time, we continue to invest heavily in expanding capabilities and addressing feedback from customers who want to go further with new Outlook. To ensure organizations have the time they need to prepare-and to fully realize the value of ongoing innovation-we're extending the opt-out timeline and providing 12 months of lead time as we continue delivering key features and improvements. |
03/01/2027 |
MC MessageTagNames changes
| MC ID | MC Title | Old Value | New Value | MC Action required by |
|---|---|---|---|---|
| MC1189910 | (Updated) Configure Local Network Access Policy for Microsoft eCDN | User impact, Admin impact | Updated message, User impact, Admin impact | N/A |
| MC1194079 | (Updated) Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact | N/A |
| MC1199765 | (Updated) Microsoft Purview: Role management update | Feature update, Admin impact | Updated message, Feature update, Admin impact | N/A |
| MC1216263 | (Updated) Microsoft Teams: Browser selection for links in Teams Mobile | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact | N/A |
| MC1218713 | (Updated) Microsoft Teams: Organization evaluation score for apps and agents | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact | N/A |
| MC1223827 | (Updated) Microsoft Teams: New Drafts quick view | New feature, User impact | Updated message, New feature, User impact | N/A |
| MC1227071 | (Updated) Files in Outlook for iOS will open in Word, Excel or Powerpoint app on iPad | Feature update, User impact | Updated message, Feature update, User impact | N/A |
| MC1227087 | (Updated) Events in Meet app – Introducing a redesigned, unified Events experience in Microsoft Teams | New feature, User impact | Updated message, New feature, User impact | N/A |
| MC1235118 | (Updated) Microsoft Teams: Reduced automatic updates in Meet Now channel meeting threads | Feature update, User impact | Updated message, Feature update, User impact | N/A |
| MC949965 | (Updated) Toggle to new Outlook | User impact, Admin impact | Updated message, User impact, Admin impact | 03/01/2027 |
MC prepare changes
| MC ID | MC Title | Old Value | New Value | MC Action required by |
|---|---|---|---|---|
| MC1189910 | (Updated) Configure Local Network Access Policy for Microsoft eCDN | Admins will need to: Add the following URLs to the LocalNetworkAccessAllowedForUrls policy in your environment: [*.]ecdn.teams.microsoft.com https://teams.microsoft.com [*.]ecdn.teams.cloud.microsoft https://teams.cloud.microsoft https://engage.cloud.microsoft/ Apply these settings via Group Policy or registry keys for: Microsoft Edge: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge\ Google Chrome: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome\ For US Government tenants, use GCC/GCC High-specific hostnames as outlined in the documentation. Additional Notes: This change aligns with Microsoft's Unified Domains initiative. Ensure your network filters include both legacy and new domains. Pair this configuration with WebRtcLocalIpsAllowedUrls for full peer-to-peer functionality. Firefox restrictions are planned but not yet enforced. See documentation for full guidance: Configure Local Network Access Policy for Microsoft eCDN https://learn.microsoft.com/ecdn/how-to/configure-local-network-access-policy |
For complete, up-to-date details (including required URLs, deployment methods, and tenant-specific considerations), see the official Microsoft eCDN documentation: Configure Local Network Access Policy for Microsoft eCDN. https://learn.microsoft.com/deployedge/microsoft-edge-browser-policies/localnetworkaccessallowedforurls https://learn.microsoft.com/ecdn/how-to/configure-local-network-access-policy |
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| MC1218423 | (Updated) Microsoft Teams: Viva Engage communities in Teams | No immediate action required unless you want to disable this feature. To turn off communities in Teams: Go to Teams admin center > Viva Engage settings > Toggle OFF. Ensure prerequisites: Viva Engage IPs and URLs are not blocked. Sign-ins for Viva Engage are enabled in Microsoft Entra ID. Users have Microsoft 365 and Teams licenses. Consider sharing best practices and customization options with users. Coordinate with Viva Engage admins for internal change communications. Learn more: Getting started with Viva Engage Communities in Microsoft Teams | Microsoft Support Manage Viva Engage experiences in Microsoft Teams | Microsoft Teams | Micosoft Learn [Compliance considerations] No compliance considerations identified. Review as appropriate for your organization. https://learn.microsoft.com/microsoftteams/teams-viva-experiences https://support.microsoft.com/office/getting-started-with-viva-engage-communities-in-microsoft-teams-b9fa52b8-4d1f-4ed4-b285-03e2537d3dbe https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=513274 |
No immediate action required unless you want to disable this feature. Sign in to the Teams admin center with your admin credentials. In the left-rail menu, select Settings & policies. Select either Global (Org-wide default) settings or Custom policies for users & groups. Scroll to the Messaging section and select Messaging. On the Messaging settings page, find the Viva Engage section. To enable the feature, switch on the Viva Engage experiences in Teams toggle. Choose Save. Ensure prerequisites: Viva Engage IPs and URLs are not blocked. Sign-ins for Viva Engage are enabled in Microsoft Entra ID. Users have Microsoft 365 and Teams licenses. Consider sharing best practices and customization options with users. Coordinate with Viva Engage admins for internal change communications. Learn more: Getting started with Viva Engage Communities in Microsoft Teams | Microsoft Support Manage Viva Engage experiences in Microsoft Teams | Microsoft Teams | Micosoft Learn [Compliance considerations] No compliance considerations identified. Review as appropriate for your organization. https://learn.microsoft.com/microsoftteams/teams-viva-experiences https://support.microsoft.com/office/getting-started-with-viva-engage-communities-in-microsoft-teams-b9fa52b8-4d1f-4ed4-b285-03e2537d3dbe https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=513274 |
N/A |
| MC949965 | (Updated) Toggle to new Outlook | This rollout will happen automatically with no admin action required starting April 2026. You may want to notify your users about this change and update any relevant documentation as appropriate. When this change takes effect, if you choose to exclude users from the experience, you can use the following Admin policy to manage new Outlook migration: Admin-Controlled Migration to New Outlook Later, this policy will also be available via Group Policy Objects (GPO), Cloud Policy, and Intune. https://learn.microsoft.com/microsoft-365-apps/outlook/get-started/control-install?branch=main#policy-manage-user-setting-for-new-outlook-automatic-migration https://support.microsoft.com/office/switch-to-new-outlook-for-windows-f5fb9e26-af7c-4976-9274-61c6428344e7?OCID=NewOutlook_AutoSwitch_LearnMore |
Prepare your organization for the opt-out phase that will begin March 2027. Evaluate and use the Admin-controlled migration policy to the stage and schedule that is right for your organization. Take preparatory steps to: Assess feature and web add-in readiness. Conduct any needed pilots. Build a timeline that works for your organization. Re-enable the toggle if previously disabled and enable the Admin-controlled migration policy to move forward. Be sure to communicate with your users about what to expect, and leverage Microsoft's adoption resources to make the experience smooth. Resources and Support: Microsoft is committed to helping you manage this transition effectively. Refer to the following resources for detailed guidance and tools: Adoption Kit: A downloadable kit with checklists, project planning templates, user communication examples, and FAQs to support your rollout. New Microsoft Outlook for Windows - Microsoft Adoption. Tips for new users: Start new users in new Outlook | Microsoft Learn. Control installation and use: If you have previously disabled the new Outlook toggle via policy and now want to roll out new Outlook. Control installation and use of new Outlook | Microsoft Learn. Policy for Admin-controlled migration: This policy allows you to toggle users into new Outlook in a controlled manner, with in-app prompts that ease users into the new experience over successive Outlook launches. Users who are moved by policy will be presented with a user-friendly onboarding experience and will have the option to switch back to classic Outlook. Microsoft recommends starting with new users in your organizations and those piloting and using Copilot as early target audiences. Policy for Admin-Controlled Migration to new Outlook for Windows | Microsoft Learn; User-facing article. [Compliance considerations] QuestionExplanation Does the change include an admin control?Admins can manage the change using the policy for automatic migration and existing Outlook policies. Can the change be controlled through Entra ID group membership?Migration can be scoped to specific users or groups using Entra ID group targeting. Does the change allow a user to enable and disable the feature themselves?Users moved to new Outlook can switch back to classic Outlook during the transition period. https://adoption.microsoft.com/new-outlook-for-windows/ https://learn.microsoft.com/en-us/microsoft-365-apps/outlook/get-started/control-install?branch=main#admin-control-over-migration https://learn.microsoft.com/microsoft-365-apps/outlook/get-started/control-install?branch=main#admin-control-over-migration https://learn.microsoft.com/microsoft-365-apps/outlook/get-started/control-install?source=recommendations https://learn.microsoft.com/microsoft-365-apps/outlook/get-started/start-users-new-outlook https://learn.microsoft.com/microsoft-365-apps/outlook/manage/admin-controlled-migration-policy https://support.microsoft.com/office/switch-to-new-outlook-for-windows-f5fb9e26-af7c-4976-9274-61c6428344e7?OCID=NewOutlook_AutoSwitch_LearnMore |
03/01/2027 |
MC Title changes
| MC ID | MC Title | Old Value | New Value | MC Action required by |
|---|---|---|---|---|
| MC1189910 | (Updated) Configure Local Network Access Policy for Microsoft eCDN | Configure Local Network Access Policy for Microsoft eCDN | (Updated) Configure Local Network Access Policy for Microsoft eCDN | N/A |
| MC1194079 | (Updated) Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures | Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures | (Updated) Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures | N/A |
| MC1199765 | (Updated) Microsoft Purview: Role management update | Microsoft Purview: Role management update | (Updated) Microsoft Purview: Role management update | N/A |
| MC1216263 | (Updated) Microsoft Teams: Browser selection for links in Teams Mobile | Microsoft Teams: Browser selection for links in Teams Mobile | (Updated) Microsoft Teams: Browser selection for links in Teams Mobile | N/A |
| MC1218713 | (Updated) Microsoft Teams: Organization evaluation score for apps and agents | Microsoft Teams: Organization evaluation score for apps and agents | (Updated) Microsoft Teams: Organization evaluation score for apps and agents | N/A |
| MC1223827 | (Updated) Microsoft Teams: New Drafts quick view | Microsoft Teams: New Drafts quick view | (Updated) Microsoft Teams: New Drafts quick view | N/A |
| MC1227071 | (Updated) Files in Outlook for iOS will open in Word, Excel or Powerpoint app on iPad | Files in Outlook for iOS will open in Word, Excel or Powerpoint app on iPad | (Updated) Files in Outlook for iOS will open in Word, Excel or Powerpoint app on iPad | N/A |
| MC1227087 | (Updated) Events in Meet app – Introducing a redesigned, unified Events experience in Microsoft Teams | Events in Meet app – Introducing a redesigned, unified Events experience in Microsoft Teams | (Updated) Events in Meet app – Introducing a redesigned, unified Events experience in Microsoft Teams | N/A |
| MC1235118 | (Updated) Microsoft Teams: Reduced automatic updates in Meet Now channel meeting threads | Microsoft Teams: Reduced automatic updates in Meet Now channel meeting threads | (Updated) Microsoft Teams: Reduced automatic updates in Meet Now channel meeting threads | N/A |
| MC949965 | (Updated) Toggle to new Outlook | Toggle to new Outlook | (Updated) Toggle to new Outlook | 03/01/2027 |
CW08 New Office 365 Message Center items
| MC ID | MC Title | MC Category | MC Workload | MC Major Change | MC Action required by |
|---|---|---|---|---|---|
| MC1234254 | Updates available for Microsoft 365 Apps for Current Channel | Stay Informed | Microsoft 365 apps | False | N/A |
| MC1234663 | New device settings experience in Teams on the web | Stay Informed | Microsoft Teams | False | N/A |
| MC1234653 | Tenant Default Change – Workspace Admins Will Be Allowed to Enable Monitoring | Plan For Change | Power BI | False | N/A |
| MC1234575 | Follow‑up on Required Custom Domain Configuration for Teams Event Email Templates | Stay Informed | Microsoft Teams | False | N/A |
| MC1234574 | Microsoft Teams: New controls for quick views in the chat list | Stay Informed | Microsoft Teams | False | N/A |
| MC1234570 | Search feedback experience update: Legacy Search | Plan For Change | Microsoft 365 suite | True | N/A |
| MC1234567 | Microsoft Rewards: Retirement of Azure AD Account Linking | Plan For Change | Microsoft Entra | True | N/A |
| MC1234566 | Outlook: retiring “Contact Masking” (hide suggested recipients) - March 31, 2026 | Plan For Change | Microsoft 365 suite | True | 03/30/2026 |
| MC1234561 | Microsoft Teams on Windows: Annotate content while sharing a single window | Stay Informed | Microsoft Teams | False | N/A |
| MC1234560 | Microsoft Teams: Retirement of the Microsoft Teams app from the Amazon Appstore | Plan For Change | Microsoft Teams | True | 03/14/2026 |
| MC1234559 | Simplified Teams app bar to create a cleaner and more focused experience | Plan For Change | Microsoft Teams | True | N/A |
| MC1234549 | Microsoft SharePoint: Use SharePoint quick steps to automate common tasks and workflows with new column type | Stay Informed | SharePoint Online | False | N/A |
| MC1234548 | Context preservation in Microsoft Teams | Stay Informed | Microsoft Teams | False | N/A |
| MC1234542 | Retirement of “Suspected identity theft (pass-the-ticket)” classic alert | Plan For Change | Microsoft Defender XDR | True | 03/16/2026 |
| MC1235124 | Microsoft Teams: Upcoming changes to Microsoft Places licensing and feature access | Stay Informed | Microsoft Teams, Microsoft 365 for the web, Microsoft 365 apps | False | N/A |
| MC1235123 | OneNote for iOS: Introducing automatic local backups | Stay Informed | Microsoft 365 apps | False | N/A |
| MC1235118 | (Updated) Microsoft Teams: Reduced automatic updates in Meet Now channel meeting threads | Stay Informed | Microsoft Teams | False | N/A |
| MC1235084 | Power Apps - Explore and visualize data with data exploration agent | Stay Informed | Power Apps | False | N/A |
| MC1235742 | Microsoft Purview | Data Loss Prevention – File Testing Against Sensitive Information Classifiers | Stay Informed | Microsoft Purview | False | N/A |
| MC1235741 | Microsoft Purview | Data Loss Prevention – Export DLP and label policy configurations | Stay Informed | Microsoft Purview | False | N/A |
