check before: 2025-10-01
Product:
Teams, Windows
Platform:
Mac, Online, Windows Desktop, World tenant
Status:
Launched
Change type:
New feature, Updated message, User impact
Links:
Details:
Summary:
Microsoft Teams will enable users to open channels in separate windows for improved multitasking, rolling out worldwide from late October 2025 to late January 2026. This feature is enabled by default for all desktop users, requires no admin action, and does not affect existing functionality or policies.
Details:
Updated December 16, 2025: We have updated the timeline. Thank you for your patience.
[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 January 2026 (previously 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:
2025-12-18
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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MS workload name
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linked item details
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Pictures
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summary for non-techies**
Microsoft Teams is introducing a feature that allows users to open channels in separate windows on both Windows and macOS, enabling better management of multiple conversations without altering existing functionality or requiring administrative action.
Direct effects for Operations**
User Experience Disruption
Users may experience confusion or disruption in their workflow as they adapt to the new feature of opening channels in separate windows, potentially leading to decreased productivity during the transition period.
- roles: End Users, Support 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 Support Requests
The introduction of the new feature may lead to an increase in support requests as users seek assistance in navigating the new functionality, impacting the helpdesk's workload and response times.
- roles: Support Staff, IT Administrators
- 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 |
| 2025-12-18 | MC Messages | 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. | Updated December 16, 2025: We have updated the timeline. Thank you for your patience.
[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 January 2026 (previously late November 2025). |
| 2025-12-18 | MC Last Updated | 10/17/2025 19:23:07 | 2025-12-16T20:31:29Z |
| 2025-12-18 | MC 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. | Microsoft Teams will enable users to open channels in separate windows for improved multitasking, rolling out worldwide from late October 2025 to late January 2026. This feature is enabled by default for all desktop users, requires no admin action, and does not affect existing functionality or policies. |
| 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 weeks ago ago
