2025 CW 11 Microsoft 365 Message Center changes

from 03/10/2025 to 03/16/2025

9 Office 365 Message Center Items were changed and
12 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 End Time changes

MC ID MC Title Old Value New Value MC Action required by
MC967240 (Updated) Microsoft Teams: File open preferences will extend to more Microsoft 365 apps 06/09/2025 09:00:00 2025-07-07T09:00:00Z N/A
MC989979 (Updated) Microsoft SharePoint: New preview mode for Pages and News posts 06/02/2025 09:00:00 2025-06-16T09:00:00Z N/A

MC Messages changes

MC ID MC Title Old Value New Value MC Action required by
MC1013464 (Updated) We will remove the EEEU sharing permission from root web and default document library in OneDrive’s EEEU, which stands for Everyone Except External Users, is a permission setting used in Microsoft SharePoint and Microsoft OneDrive to manage access to content. This setting allows all internal users in an organization to access certain content while excluding external users. We discourage use of this setting due to concerns about inadvertent oversharing of user data.

[What is changing]

Starting April 10, 2025 and ending by September 30, 2025, we will run logic to detect and remove the EEEU permission from the root site of each user's OneDrive and the default document library in OneDrive.
Updated March 10, 2025: We have updated the title. Thank you for your patience.

EEEU, which stands for Everyone Except External Users, is a permission setting used in Microsoft SharePoint and Microsoft OneDrive to manage access to content. This setting allows all internal users in an organization to access certain content while excluding external users. We discourage use of this setting due to concerns about inadvertent oversharing of user data.

[What is changing]

Starting April 10, 2025 and ending by September 30, 2025, we will run logic to detect and remove the EEEU permission from the root site of each user's OneDrive and the default document library in OneDrive.
N/A
MC1017117 (Updated) Microsoft Teams: Facilitator agent takes notes in meetings and chats Coming soon to Microsoft Teams: The Facilitator agent can take notes during your Teams meetings and chats. The Facilitator synthesizes key information from the conversations, so users can catch up quickly. In meetings, the Facilitator allows everyone to co-author real-time notes and collaborate seamlessly. In chat, the Facilitator creates and maintains an up-to-date summary of important information as the conversation happens, including key decisions, actions items, and open questions to resolve.

This message is associated with Microsoft 365 Roadmap ID 478611.

We introduced the Targeted Release preview of this feature in MC937709 (Updated) Facilitator in Teams Meetings and Chats (published and updated November 2024).

This message applies to Teams for Windows desktop, Teams for Mac desktop, Teams for the web, and Teams for iOS/Android.

A Microsoft 365 Copilot license is required to use this feature.

[When this will happen:]

General Availability (Worldwide): We will begin rolling out early April 2025 and expect to complete by late April 2025.
Updated March 10, 2025: We have updated the content. Thank you for your patience

Coming soon to Microsoft Teams: The Facilitator agent can take notes during your Teams meetings and chats. The Facilitator synthesizes key information from the conversations, so users can catch up quickly. In meetings, the Facilitator allows everyone to co-author real-time notes and collaborate seamlessly. In chat, the Facilitator creates and maintains an up-to-date summary of important information as the conversation happens, including key decisions, actions items, and open questions to resolve.

This message is associated with Microsoft 365 Roadmap ID 478611.

We introduced the Targeted Release preview of this feature in MC937709 (Updated) Facilitator in Teams Meetings and Chats (published and updated November 2024).

This message applies to Teams for Windows desktop, Teams for Mac desktop, Teams for the web, and Teams for iOS/Android.

A Microsoft 365 Copilot license is required to use this feature.

[When this will happen:]

General Availability (Worldwide): We will begin rolling out early April 2025 and expect to complete by late April 2025.
N/A
MC1023294 New Exchange Online Tenant Outbound Email Limits To reduce the risk of misuse and abuse of Exchange Online resources and ensure service availability for all users, we'll soon introduce new tenant-level outbound email limits, known as the Tenant External Recipient Rate Limit or TERRL. The TERRL restricts the number of external recipients a tenant can send email to per day. If the limit is exceeded further messages sent to external recipients from the tenant will be blocked until the volume for the last 24 hours drops below the quota. A tenant's TERRL quota is calculated based on the number of email licenses a tenant has purchased. Here is the formula used to calculate a tenant's quota:

500 * (Purchased Email Licenses^0.7) + 9500

To help admins plan and track their outbound email volume, you'll find a new report in the Exchange admin center: EAC > Reports > Mail flow > Tenant Outbound External Recipients Rate. This report shows the current volume of external recipients, your tenant's daily quota, how much of the quota is used, and the number of recipients that were blocked if the limit was exceeded. The report will also show if enforcement for the limit is enabled or disabled. For example, for tenants who have more than 500 email licenses it will show "Disabled" until March 31st, the day we'll start to enable enforcement for tenants who have more than 500 licenses.

[When this will happen:]

This change will roll out in progressive stages over the month of March as per the following rollout schedule:

PhaseEnable enforcement for tenant groupRollout start date

1Tenants with <= 25 email licensesApril 3, 2025

2+ additional tenants with <= 200 licensesApril 10, 2025

3+ additional tenants with <= 500 licensesApril 17, 2025

4+ all remaining tenantsMay 1, 2025
Updated March 10, 2025: We have updated the content. Thank you for your patience.

To reduce the risk of misuse and abuse of Exchange Online resources and ensure service availability for all users, we'll soon introduce new tenant-level outbound email limits, known as the Tenant External Recipient Rate Limit or TERRL. The TERRL restricts the number of external recipients a tenant can send email to per day. If the limit is exceeded further messages sent to external recipients from the tenant will be blocked until the volume for the last 24 hours drops below the quota. A tenant's TERRL quota is calculated based on the number of email licenses a tenant has purchased. Here is the formula used to calculate a tenant's quota:

500 * (Purchased Email Licenses^0.7) + 9500

To help admins plan and track their outbound email volume, you'll find a new report in the Exchange admin center: EAC > Reports > Mail flow > Tenant Outbound External Recipients Rate. This report shows the current volume of external recipients, your tenant's daily quota, how much of the quota is used, and the number of recipients that were blocked if the limit was exceeded. The report will also show if enforcement for the limit is enabled or disabled. For example, for tenants who have more than 500 email licenses it will show "Disabled" until May 1st, the day we'll start to enable enforcement for tenants who have more than 500 licenses.

[When this will happen:]

This change will roll out in progressive stages over the month of March as per the following rollout schedule:

PhaseEnable enforcement for tenant groupRollout start date

1Tenants with <= 25 email licensesApril 3, 2025

2+ additional tenants with <= 200 licensesApril 10, 2025

3+ additional tenants with <= 500 licensesApril 17, 2025

4+ all remaining tenantsMay 1, 2025
N/A
MC1024399 Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) We will soon introduce a new limit on dynamic distribution groups (DDGs) in Microsoft Exchange Online. Each organization will be limited to a maximum of 3,000 DDGs. After this limit is reached, admins will need to remove existing DDGs before creating new ones. Before rollout, we will update this post with new documentation.

[When this will happen:]

General Availability (Worldwide, GCC): We will begin enforcing this limit in early April 2025.
Updated March 10, 2025: We have updated the content. Thank you for your patience.

We will soon introduce a new limit on dynamic distribution groups (DDGs) in Microsoft Exchange Online. Each organization will be limited to a maximum of 3,000 DDGs. After this limit is reached, admins will need to remove existing DDGs before creating new ones. Learn more: Exchange Online limits - Service Descriptions | Microsoft Learn

[When this will happen:]

General Availability (Worldwide, GCC): We will begin enforcing this limit in early April 2025.
N/A
MC454504 (Updated) Multiple Yammer Networks Within Single Tenant No Longer Supported (1:Many Mode) Updated January 15, 2025: We have updated the rollout timeline below. Thank you for your patience.

Yammer is committed to strengthening the alignment of Yammer to Microsoft 365. This means we will no longer support tenants having more than one non-external Yammer network. This change will ensure Yammer networks have the same organizational boundaries as their corresponding Microsoft 365 tenants.

Why is this happening now?

Integrating Yammer more fully into the Microsoft 365 ecosystem has been a multi-year effort. New 1:many configurations have not been permitted since October 2018. All new Yammer networks provisioned after January 2020 have been created in Native Mode. In September 2022, the enforcement of Native Mode was announced. Automated network consolidation is an important prerequisite to reaching Native Mode and gaining access to broader safety, security, and compliance features.

[When this will happen:]

Starting on May 1, 2023 and continuing through early March 2025 (previously January 1). You are welcome to initiate network consolidation on your own at any time before or after May 1, 2023.
Updated March 10, 2025: We have updated the rollout timeline below. Thank you for your patience.

Yammer is committed to strengthening the alignment of Yammer to Microsoft 365. This means we will no longer support tenants having more than one non-external Yammer network. This change will ensure Yammer networks have the same organizational boundaries as their corresponding Microsoft 365 tenants.

Why is this happening now?

Integrating Yammer more fully into the Microsoft 365 ecosystem has been a multi-year effort. New 1:many configurations have not been permitted since October 2018. All new Yammer networks provisioned after January 2020 have been created in Native Mode. In September 2022, the enforcement of Native Mode was announced. Automated network consolidation is an important prerequisite to reaching Native Mode and gaining access to broader safety, security, and compliance features.

[When this will happen:]

Starting on May 1, 2023 and continuing through mid-March 2025 (previously early March). You are welcome to initiate network consolidation on your own at any time before or after May 1, 2023.
05/01/2023
MC926899 (Updated) Microsoft Purview | Data Lifecycle Management: Separate Copilot retention policies from Teams chats Updated February 13, 2025: We have updated the rollout timeline below. Thank you for your patience.

Before this rollout, Microsoft Teams chat and Microsoft 365 Copilot interactions are available together to be included or excluded in the Microsoft Purview Data Lifecycle Management policy in the Purview compliance center.

After this rollout, admins can have separate policies for Copilot interactions. Also, admins can separate Teams chat from Copilot interactions to create new retention policies for Copilot messages only.

A Microsoft 365 Copilot license is required to use this feature.

This message is associated with Microsoft 365 Roadmap ID 407897.

[When this will happen:]

Public Preview: We will begin rolling out mid-February 2025 (previously mid-November) and expect to complete by late February 2025 (previously late November).

General Availability (Worldwide): We will begin rolling out mid-March 2025 (previously mid-February) and expect to complete by late March 2025 (previously ate February).
Updated March 10, 2025: We have updated the rollout timeline below. Thank you for your patience.

Before this rollout, Microsoft Teams chat and Microsoft 365 Copilot interactions are available together to be included or excluded in the Microsoft Purview Data Lifecycle Management policy in the Purview compliance center.

After this rollout, admins can have separate policies for Copilot interactions. Also, admins can separate Teams chat from Copilot interactions to create new retention policies for Copilot messages only.

A Microsoft 365 Copilot license is required to use this feature.

This message is associated with Microsoft 365 Roadmap ID 407897.

[When this will happen:]

Public Preview: We will begin rolling out early March 2025 (previously mid-February) and expect to complete by mid-March 2025 (previously late February).

General Availability (Worldwide): We will begin rolling out late March 2025 (previously mid-March) and expect to complete by late March 2025 (previously ate February).
N/A
MC961557 (Updated) Microsoft Search in Bing Deprecation Updated February 20, 2025: There are new details available regarding the Microsoft Search in Bing retirement. The FAQ is now available at Guidance for retiring Microsoft Search in Bing for your organization.

Microsoft Search in Bing, the search experience for work and school available on Bing.com, is being deprecated. The last day of its availability is on March 31, 2025. This change is being made as we streamline search experiences and focus on enhancing core productivity tools.

The Microsoft Edge for Business address bar and the Windows search box will continue to support work and school search, with some adjustments detailed below.

Details of the Change

After March 31, 2025, Microsoft Search in Bing will no longer be available, with changes as follows:

Bing.com will no longer show work or school search results. Consequently, there will not be a dedicated page of work or school results and users' work or school profiles will no longer appear on Bing.com. However, selecting the Work or School tab on Bing.com will redirect users to the new Microsoft Search experience on M365.cloud.microsoft (formerly Office.com and Microsoft365.com).

Search boxes you've configured to point to Microsoft Search in Bing will no longer provide work or school results.

The Edge for Business address bar and Windows search box will continue to support work and school search with some adjustments, including:

The Edge for Business address bar will no longer return work or school search results on a Bing.com page but will continue to provide suggested results in the address bar. In addition, the address bar will send users to work and school results on M365.cloud.microsoft rather than Bing.com. Users of the address bar can continue to find work-related documents, bookmarks, and people in suggested results-clicking on these suggestions takes users to work or school results on M365.cloud.microsoft. Users can also type "work" in the address bar, hit the tab key, then input their work- or school-related query to get results on a M365.cloud.microsoft page. Work and school search results will include documents, people, and bookmarks. Work search for documents will be available initially, with additional content types available as quickly as possible.

The Windows search box will no longer display organization branding nor the "Work" or "School" tab but will continue to support work and school search. Search for documents and people remains available. will be available initially, with additional content types available as quickly as possible. With these changes, users will see some UX changes in the Windows search box.

As before, the core Microsoft Search experience remains accessible through M365.cloud.microsoft (formerly Office.com and Microsoft365.com) and SharePoint Online.

Additionally, Entra ID sign-in will no longer be available on Bing.com, since work and school search is no longer available on Bing.com.

An FAQ and further details are now available at Guidance for retiring Microsoft Search in Bing for your organization, which will be updated regularly.

[When will this happen:]

The last day of availability of Microsoft Search in Bing is March 31, 2025.
Updated March 10, 2025: There are additional details available regarding the Microsoft Search in Bing retirement.

Some Microsoft Search answers will no longer be available after March 31, 2025, including Q&As and location answers. Recommended bookmarks will also be retired; you can keep them by manually publishing or exporting them by April 30, 2025. Please see the FAQ for more information.

Work or school search history on Bing.com will be available through March 31, 2025. Individuals who wish to keep their recent search history must download it by March 31 by signing in with their Entra ID, going to Options on Bing.com, and selecting "Search history." There is no control available for IT admins to download search terms on behalf of users.

To help users on Bing.com, a banner to redirect to M365.cloud.microsoft will be shown in Edge if search terms are high likelihood of being work-related. For more details, please see the FAQ available at Guidance for retiring Microsoft Search in Bing for your organization.

Note: Microsoft Edge version 134.0.3124.51+ is required for the work search functionality described below.

Microsoft Search in Bing, the search experience for work and school available on Bing.com, is being deprecated. The last day of its availability is on March 31, 2025. This change is being made as we streamline search experiences and focus on enhancing core productivity tools.

The Microsoft Edge for Business address bar and the Windows search box will continue to support work and school search, with some adjustments detailed below.

Details of the Change

After March 31, 2025, Microsoft Search in Bing will no longer be available, with changes as follows:

Bing.com will no longer show work or school search results. Consequently, there will not be a dedicated page of work or school results and users' work or school profiles will no longer appear on Bing.com. However, selecting the Work or School tab on Bing.com will redirect users to the new Microsoft Search experience on M365.cloud.microsoft (formerly Office.com and Microsoft365.com).

Search boxes you've configured to point to Microsoft Search in Bing will no longer provide work or school results.

The Edge for Business address bar and Windows search box will continue to support work and school search with some adjustments, including:

The Edge for Business address bar will no longer return work or school search results on a Bing.com page but will continue to provide suggested results in the address bar. In addition, the address bar will send users to work and school results on M365.cloud.microsoft rather than Bing.com. Users of the address bar can continue to find work-related documents, bookmarks, and people in suggested results-clicking on these suggestions takes users to work or school results on M365.cloud.microsoft. Users can also type "work" in the address bar, hit the tab key, then input their work- or school-related query to get results on a M365.cloud.microsoft page. Work and school search results will include documents, people, and bookmarks. Work search for documents will be available initially, with additional content types available as quickly as possible.

The Windows search box will no longer display organization branding nor the "Work" or "School" tab but will continue to support work and school search. Search for documents and people remains available. will be available initially, with additional content types available as quickly as possible. With these changes, users will see some UX changes in the Windows search box.

As before, the core Microsoft Search experience remains accessible through M365.cloud.microsoft (formerly Office.com and Microsoft365.com) and SharePoint Online.

Additionally, Entra ID sign-in will no longer be available on Bing.com, since work and school search is no longer available on Bing.com.

An FAQ and further details are now available at Guidance for retiring Microsoft Search in Bing for your organization, which will be updated regularly.

[When will this happen:]

The last day of availability of Microsoft Search in Bing is March 31, 2025.

N/A
MC967240 (Updated) Microsoft Teams: File open preferences will extend to more Microsoft 365 apps Updated February 20, 2025: We have updated the rollout timeline below. Thank you for your patience.

Coming soon to Microsoft Teams: Users will be able to set their preference for how their cloud-hosted Microsoft Word, Microsoft Excel and Microsoft PowerPoint files should open when they select links for these files from Teams. The new setting (open in a browser, desktop app, or directly in Teams) will extend to links selected in other Microsoft365 apps, starting with classic Microsoft Outlook, Word, Excel, and PowerPoint, for greater consistency across apps.

This message applies to Teams for Windows desktop.

This message is associated with Microsoft 365 Roadmap ID 471000.

[When this will happen:]

Targeted Release: We will begin rolling out early April 2025 (previously early March) and expect to complete by mid-April 2025 (previously mid-March).

General Availability (Worldwide): We will begin rolling out mid-April 2025 (previously mid-March) and expect to complete by late April 2025 (previously late March).
Updated March 12, 2025: We have updated the rollout timeline below. Thank you for your patience.

Coming soon to Microsoft Teams: Users will be able to set their preference for how their cloud-hosted Microsoft Word, Microsoft Excel and Microsoft PowerPoint files should open when they select links for these files from Teams. The new setting (open in a browser, desktop app, or directly in Teams) will extend to links selected in other Microsoft365 apps, starting with classic Microsoft Outlook, Word, Excel, and PowerPoint, for greater consistency across apps.

This message applies to Teams for Windows desktop.

This message is associated with Microsoft 365 Roadmap ID 471000.

[When this will happen:]

Targeted Release: We will begin rolling out early May 2025 and expect to complete by mid-May 2025.

General Availability (Worldwide): We will begin rolling out mid-May 2025 and expect to complete by late May 2025.
N/A
MC989979 (Updated) Microsoft SharePoint: New preview mode for Pages and News posts Updated February 28, 2025: We have updated the rollout timeline below. Thank you for your patience.

Coming soon to Microsoft SharePoint: The new Preview mode can be used to understand how Pages and News posts will appear on different device types when viewed by an audience.

This message is associated with Microsoft 365 Roadmap ID 473452.

[When this will happen:]

Targeted Release: We will begin rolling out early March 2025 (previously mid-February) and expect to complete by late March 2025 (previously late February).

General Availability (Worldwide, GCC, GCC High, DoD): We will begin rolling out late March 2025 (previously late February) and expect to complete by late April 2025 (previously late March).
Updated March 10, 2025: We have updated the rollout timeline below. Thank you for your patience.

Coming soon to Microsoft SharePoint: The new Preview mode can be used to understand how Pages and News posts will appear on different device types when viewed by an audience.

This message is associated with Microsoft 365 Roadmap ID 473452.

[When this will happen:]

Targeted Release: We will begin rolling out late March 2025 (previously mid-February) and expect to complete by mid-April 2025 (previously late March).

General Availability (Worldwide, GCC, GCC High, DoD): We will begin rolling out mid-April 2025 (previously late March) and expect to complete by early May 2025 (previously late April).
N/A

MC MessageTagNames changes

MC ID MC Title Old Value New Value MC Action required by
MC1013464 (Updated) We will remove the EEEU sharing permission from root web and default document library in OneDrive’s User impact, Retirement Updated message, User impact, Retirement N/A
MC1017117 (Updated) Microsoft Teams: Facilitator agent takes notes in meetings and chats New feature, User impact, Admin impact Updated message, New feature, User impact, Admin impact N/A
MC1024399 Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) Feature update, User impact, Admin impact Updated message, Feature update, User impact, Admin impact N/A

MC prepare changes

MC ID MC Title Old Value New Value MC Action required by
MC1017117 (Updated) Microsoft Teams: Facilitator agent takes notes in meetings and chats This rollout will happen automatically by the specified date with no admin action required before the rollout. Review your current configuration to determine the impact for your organization. You may want to notify your users about this change and update any relevant documentation.

Learn more

If you're using Microsoft 365 Copilot in your organization (with your work or school account): Data, Privacy, and Security for Microsoft 365 Copilot | Microsoft Learn.

Admin documentation: Set up Facilitator in Microsoft Teams for collaborative AI notes - Microsoft Teams | Microsoft Learn (will be updated before rollout)

User documentation (meetings): Automate notetaking in Microsoft Teams meetings - Microsoft Support (will be updated before rollout)

User documentation (chats): Keep track of chats with AI notes in Microsoft Teams - Microsoft Support (will be updated before rollout)

https://learn.microsoft.com/copilot/microsoft-365/microsoft-365-copilot-privacy

https://learn.microsoft.com/MicrosoftTeams/facilitator-teams

https://learn.microsoft.com/purview/ai-microsoft-purview

https://learn.microsoft.com/sharepoint/dev/embedded/overview

https://support.microsoft.com/office/automate-notetaking-in-microsoft-teams-meetings-37657f91-39b5-40eb-9421-45141e3ce9f6

https://support.microsoft.com/office/keep-track-of-chats-with-ai-notes-in-microsoft-teams-0b7efbd0-fd3e-48e7-9a4b-4ea22cdc12c0

https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=478611
This rollout will happen automatically by the specified date with no admin action required before the rollout. Review your current configuration to determine the impact for your organization. You may want to notify your users about this change and update any relevant documentation.

Known Limitations

Sensitivity labels applied to the meeting will not automatically be applied to the meeting notes file. For example, if an organizer marks a meeting as highly confidential and turns on AI-generated notes, those notes will not be marked as highly confidential. The suggested workaround is to not use Facilitator in meetings where sensitive information will be discussed. This limitation will be documented in admin and end user documentation at release. Microsoft is actively working on meeting sensitivity label inheritance to notes and will provide more updates as they are available.

<Learn more

If you're using Microsoft 365 Copilot in your organization (with your work or school account): Data, Privacy, and Security for Microsoft 365 Copilot | Microsoft Learn.

Admin documentation: Set up Facilitator in Microsoft Teams for collaborative AI notes - Microsoft Teams | Microsoft Learn (will be updated before rollout)

User documentation (meetings): Automate notetaking in Microsoft Teams meetings - Microsoft Support (will be updated before rollout)

User documentation (chats): Keep track of chats with AI notes in Microsoft Teams - Microsoft Support (will be updated before rollout)

https://learn.microsoft.com/copilot/microsoft-365/microsoft-365-copilot-privacy

https://learn.microsoft.com/MicrosoftTeams/facilitator-teams

https://learn.microsoft.com/purview/ai-microsoft-purview

https://learn.microsoft.com/sharepoint/dev/embedded/overview

https://support.microsoft.com/office/automate-notetaking-in-microsoft-teams-meetings-37657f91-39b5-40eb-9421-45141e3ce9f6

https://support.microsoft.com/office/keep-track-of-chats-with-ai-notes-in-microsoft-teams-0b7efbd0-fd3e-48e7-9a4b-4ea22cdc12c0

https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=478611
N/A
MC1024399 Microsoft Exchange Online: New limit for dynamic distribution groups (DDGs) The enforcement of the DDG limit will happen automatically by the specified date with no admin action required before the rollout. You may want to notify your admins about this change and update any relevant documentation.

We recommend reviewing the usage of Dynamic Distribution Groups (DDGs) in your organization and removing any DDGs that are no longer needed. You can use the Dynamic distribution groups report in the Exchange admin center (EAC) to see the number of DDGs in your organization and insights into their usage. To access this report, go to the EAC > Reports > Mail flow > Dynamic distribution group report. Learn more: Dynamic Distribution Groups report in the new EAC in Exchange Online | Microsoft Learn

https://learn.microsoft.com/exchange/monitoring/mail-flow-reports/mfr-dynamic-distribution-groups-report
The enforcement of the DDG limit will happen automatically by the specified date with no admin action required before the rollout. You may want to notify your admins about this change and update any relevant documentation.

We recommend reviewing the usage of Dynamic Distribution Groups (DDGs) in your organization and removing any DDGs that are no longer needed. You can use the Dynamic distribution groups report in the Exchange admin center (EAC) to see the number of DDGs in your organization and insights into their usage. To access this report, go to the EAC > Reports > Mail flow > Dynamic distribution group report. Learn more: Dynamic Distribution Groups report in the new EAC in Exchange Online | Microsoft Learn

https://learn.microsoft.com/exchange/monitoring/mail-flow-reports/mfr-dynamic-distribution-groups-report

https://learn.microsoft.com/office365/servicedescriptions/exchange-online-service-description/exchange-online-limits#dynamic-distribution-group-limits
N/A
MC961557 (Updated) Microsoft Search in Bing Deprecation Customers should prepare to stop using Microsoft Search in Bing by March 31, 2025, and transition to using Microsoft Search through M365.cloud.microsoft (formerly Office.com and Microsoft365.com) and SharePoint Online. We recommend that you inform users about the upcoming change and the alternatives available.

Adding your preferred entry point from this set to favorites or favorites bar in Edge may be a helpful alternative pathway. Admins can easily set favorites in Edge for their organization, please see details here.

Additionally, users can continue to use the Edge for Business address bar and the Windows search box, with some changes expected. Please educate users that they should now type "work" in the address bar, hit the tab key, then type in their work-related query to get work results on a M365.cloud.microsoft page.

If your organization is using the AddressBarMicrosoftSearchInBingProviderEnabled policy today, you should update to the AddressBarWorkSearchResultsEnabled policy, if the policy is still needed.

The new policy, AddressBarWorkSearchResultsEnabled, will be available starting in early March, with Edge for Business version 134 (ahead of the Microsoft Search in Bing deprecation). This allows admins to configure the display of work suggestions in the address bar. If the policy is enabled or not configured, users who are signed into Edge for Business with their Entra ID can view internal work-related suggestions, such as bookmarks, files, and people results powered by Microsoft 365, in the Edge for Business address bar suggestion dropdown. If the policy is disabled, Entra ID signed-in users will not see internal workplace results in the Microsoft Edge address bar suggestion dropdown.

Admins who wish to set their own deprecation date prior to March 31, 2025, can turn off Microsoft Search in Bing by going to the Microsoft 365 admin center > Settings > Search & Intelligence.

Regarding SafeSearch settings:

If you had set the search experience for your organization to "School search," SafeSearch was set to Strict by default. If you'd like to ensure that your users continue to have SafeSearch set to Strict after the Microsoft Search in Bing retirement, you can map www.bing.com to strict.bing.com at a network level. See Blocking adult content with SafeSearch or blocking Chat for more details.

Note: The search history feature for work or school search is changing along with the retirement of Microsoft Search in Bing. Details are not yet determined, but they will be added to the FAQ once they're finalized.

https://aka.ms/MSBFAQ

https://support.microsoft.com/topic/blocking-adult-content-with-safesearch-or-blocking-chat-946059ed-992b-46a0-944a-28e8fb8f1814
Customers should prepare to stop using Microsoft Search in Bing by March 31, 2025, and transition to using Microsoft Search through M365.cloud.microsoft (formerly Office.com and Microsoft365.com) and SharePoint Online. We recommend that you inform users about the upcoming change and the alternatives available.

Adding your preferred entry point from this set to favorites or favorites bar in Edge may be a helpful alternative pathway. Admins can easily set favorites in Edge for their organization, please see details here.

Additionally, users can continue to use the Edge for Business address bar and the Windows search box, with some changes expected. Please educate users that they should now type "work" in the address bar, hit the tab key, then type in their work-related query to get work results on a M365.cloud.microsoft page.

If your organization is using the AddressBarMicrosoftSearchInBingProviderEnabled policy today, you should update to the AddressBarWorkSearchResultsEnabled policy, if the policy is still needed.

The new policy, AddressBarWorkSearchResultsEnabled, will be available starting in early March, with Edge for Business version 134 (ahead of the Microsoft Search in Bing deprecation). This allows admins to configure the display of work suggestions in the address bar. If the policy is enabled or not configured, users who are signed into Edge for Business with their Entra ID can view internal work-related suggestions, such as bookmarks, files, and people results powered by Microsoft 365, in the Edge for Business address bar suggestion dropdown. If the policy is disabled, Entra ID signed-in users will not see internal workplace results in the Microsoft Edge address bar suggestion dropdown.

Admins who wish to set their own deprecation date prior to March 31, 2025, can turn off Microsoft Search in Bing by going to the Microsoft 365 admin center > Settings > Search & Intelligence.

Regarding SafeSearch settings:

If you had set the search experience for your organization to "School search," SafeSearch was set to Strict by default. If you'd like to ensure that your users continue to have SafeSearch set to Strict after the Microsoft Search in Bing retirement, you can map www.bing.com to strict.bing.com at a network level. See Blocking adult content with SafeSearch or blocking Chat for more details.

https://aka.ms/MSBFAQ

https://support.microsoft.com/topic/blocking-adult-content-with-safesearch-or-blocking-chat-946059ed-992b-46a0-944a-28e8fb8f1814
N/A

MC Title changes

MC ID MC Title Old Value New Value MC Action required by
MC1013464 (Updated) We will remove the EEEU sharing permission from root web and default document library in OneDrive’s Microsoft OneDrive: We will remove the EEEU sharing permission from root web and default document library (Updated) We will remove the EEEU sharing permission from root web and default document library in OneDrive’s N/A
MC1017117 (Updated) Microsoft Teams: Facilitator agent takes notes in meetings and chats Microsoft Teams: Facilitator agent takes notes in meetings and chats (Updated) Microsoft Teams: Facilitator agent takes notes in meetings and chats N/A

CW11 New Office 365 Message Center items

MC ID MC Title MC Category MC Workload MC Major Change MC Action required by
MC1028321 Microsoft Purview | Data Loss Prevention: Recipient-triggered policy tips Stay Informed Microsoft Purview False N/A
MC1028318 Microsoft SharePoint Online Management Shell will replace IDCRL authentication protocol with OAuth Plan For Change SharePoint Online False N/A
MC1028317 (Updated) Microsoft Teams: Enhanced compliance in voicemail messages Plan For Change Exchange Online, Microsoft Teams False N/A
MC1029043 Updates available for Microsoft 365 Apps for all channels Stay Informed Microsoft 365 apps False N/A
MC1028988 New Microsoft Outlook for Windows: Bulk import of .eml files Stay Informed Exchange Online False N/A
MC1030013 Microsoft Bookings: New Queue functionality to manage appointments for Teams Premium users Stay Informed Microsoft Bookings False N/A
MC1030008 Microsoft Purview: New Personalization settings Stay Informed Microsoft Purview False N/A
MC1030003 Microsoft Outlook: Disable add-in user reporting buttons now that built-in Report button is GA for all platforms Stay Informed Exchange Online, Microsoft 365 suite, Microsoft 365 for the web False N/A
MC1029989 Reminder: "Require approved client app" control in Microsoft Entra Conditional Access will be retired in March 2026 Plan For Change Microsoft Intune False N/A
MC1032295 Microsoft Copilot (Microsoft 365): Recapping changes in Loop over extended periods Stay Informed Microsoft 365 apps False N/A
MC1032277 Microsoft Power Automate - Set screen resolution for unattended desktop flow runs Stay Informed Microsoft Power Automate False N/A
MC1033019 Microsoft Power Automate - Automate interactions with Shadow DOM elements in modern web applications Stay Informed Microsoft Power Automate False N/A

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