Published Sep 30, 2025
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.
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.
How this affects your organization:Screenshot 1: Entry point from left rail

Screenshot 2: entry point from channel header
No compliance considerations identified, review as appropriate for your organization.