MC1162964 – M365 Change Digest

One-line summary

Teams users can now open channels in separate windows for improved multitasking; rollout starts late October 2025 and completes by late January 2026, enabled by default.

Similar updates

Details

RoadmapIds

509110

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.

Platforms

Desktop, Mac

Body (from Message Center)

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).

[How this affects your organization:]

Who is affected: All users of Microsoft Teams desktop client (Windows and macOS).
What will happen:
- Users will find a new option to Pop out channel from the channel menu.
- The channel will open in a separate window, allowing simultaneous viewing of multiple channels.
- There are no changes to existing Teams functionality or policies.
- Feature will be enabled by default for all tenants.

[What you can do to 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.

Raw JSON (for debugging)

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    "last_modified": "2025-12-16T19:31:29Z",
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