check before: 2025-10-01
Product:
Teams, Windows
Platform:
Mac, Online, Windows Desktop, World tenant
Status:
Rolling out
Change type:
New feature, Updated message, User impact
Links:
Details:
Summary:
Microsoft Teams will allow users to open channels in separate windows for better multitasking, rolling out worldwide from late October to November 2025. This feature is enabled by default for all desktop users, requires no admin action, and does not affect existing policies or compliance.
Details:
Updated October 17, 2025: We have updated the message to reference the corresponding Roadmap item.
[Introduction]
We're introducing a new productivity feature in Microsoft Teams: Open Channels in a New Window. This enhancement allows users to detach any channel from the main Teams client and view it in a separate window-supporting better multitasking and focus, especially in high-traffic or cross-functional collaboration scenarios.
This change is associated with Microsoft 365 Roadmap ID: 509110
[When this will happen:]
General Availability (Worldwide): Rollout will begin in late October 2025 and is expected to complete by late November 2025.
Change Category:
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Scope:
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Release Phase:
General Availability, Targeted Release
Created:
2025-10-01
updated:
2025-10-18
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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linked item details
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Pictures
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summary for non-techies**
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Direct effects for Operations**
User Interface Confusion
Users may experience confusion with the new window feature, leading to potential miscommunication or missed messages as they adjust to the new layout and multitasking capabilities.
- roles: End Users, Helpdesk Staff
- references: https://learn.microsoft.com/en-us/microsoftteams/teams-overview, https://www.microsoft.com/microsoft-365/roadmap?rtc=1%26filters%3D&searchterms=509110
Increased Resource Usage
Opening multiple channels in separate windows may lead to increased CPU and memory usage on users' devices, potentially affecting performance, especially on lower-end hardware.
- roles: End Users, IT Support
- references: https://learn.microsoft.com/en-us/microsoftteams/teams-overview, https://www.microsoft.com/microsoft-365/roadmap?rtc=1%26filters%3D&searchterms=509110
Configutation Options**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2025-10-18 | MC prepare | No admin action is required.
You may choose to: Inform helpdesk and support staff of the new multitasking capability. Update internal training or documentation if you provide Teams usage guidance. [Compliance considerations:] No compliance considerations identified, review as appropriate for your organization. https://learn.microsoft.com/en-us/microsoftteams/teams-overview | No admin action is required.
You may choose to: Inform helpdesk and support staff of the new multitasking capability. Update internal training or documentation if you provide Teams usage guidance. [Compliance considerations:] No compliance considerations identified, review as appropriate for your organization. https://learn.microsoft.com/en-us/microsoftteams/teams-overview https://www.microsoft.com/microsoft-365/roadmap?rtc=1%26filters%3D&searchterms=509110 |
| 2025-10-18 | MC MessageTagNames | New feature, User impact | Updated message, New feature, User impact |
| 2025-10-18 | MC Summary | Microsoft Teams will let users open channels in separate windows for better multitasking, rolling out worldwide from late October to November 2025. This feature is enabled by default for all desktop users, requires no admin action, and does not affect existing functionality or policies. | Microsoft Teams will allow users to open channels in separate windows for better multitasking, rolling out worldwide from late October to November 2025. This feature is enabled by default for all desktop users, requires no admin action, and does not affect existing policies or compliance. |
| 2025-10-18 | MC Last Updated | 10/01/2025 01:21:17 | 2025-10-17T19:23:07Z |
| 2025-10-18 | MC Messages | [Introduction]
We're introducing a new productivity feature in Microsoft Teams: Open Channels in a New Window. This enhancement allows users to detach any channel from the main Teams client and view it in a separate window-supporting better multitasking and focus, especially in high-traffic or cross-functional collaboration scenarios. [When this will happen:] General Availability (Worldwide): Rollout will begin in late October 2025 and is expected to complete by late November 2025. | Updated October 17, 2025: We have updated the message to reference the corresponding Roadmap item.
[Introduction] We're introducing a new productivity feature in Microsoft Teams: Open Channels in a New Window. This enhancement allows users to detach any channel from the main Teams client and view it in a separate window-supporting better multitasking and focus, especially in high-traffic or cross-functional collaboration scenarios. This change is associated with Microsoft 365 Roadmap ID: 509110 [When this will happen:] General Availability (Worldwide): Rollout will begin in late October 2025 and is expected to complete by late November 2025. |
| 2025-10-18 | MC Platforms | Desktop, Mac | |
| 2025-10-18 | MC Title | New in Teams – open channels in dedicated windows | (Updated) New in Teams – open channels in dedicated windows |
| 2025-10-18 | MC End Time | 12/22/2025 09:00:00 | 2026-03-16T09:00:00Z |
Last updated 2 days ago ago
