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MC1084035 Stay informedUpdated messageNew featureUser impact

Microsoft Teams: Pop out your core apps into a new window.

Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.
Microsoft Teams
Microsoft 365 admin center

Rollout

Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".

Schedule dates changed in the text

Date phrases in schedule sentences differ between the versions this installation saw
  • Seen 19 Aug 2025 early September 2025, mid-September 2025, early October 2025 → early November 2025, mid-November 2025, early December 2025
  • Seen 10 Jun 2025 early July 2025, mid-July 2025, early August 2025 → early September 2025, mid-September 2025, early October 2025

Read from date phrases in Microsoft's text, not from notice metadata. A changed phrase can be a moved rollout, a new milestone or just rewording; "What changed" below shows which.

What the notice says

Microsoft’s text, with source markup removed
Updated August 19, 2025: We have updated the timeline. Thank you for your patience. Users will have the capability to open their core applications, such as Chat, Teams, and other essential apps, in separate windows by selecting Open in new window from the app's context menu. This latest update facilitates enhanced productivity and provides greater customization of the user's workflow. This improvement enables users to manage their core collaboration applications more efficiently, ultimately leading to a more streamlined and effective work environment. This message is associated with Microsoft 365 Roadmap ID 495003. When this will happen: Targeted Release: We will begin rolling out early November 2025 (previously early September) and expect to complete by mid-November 2025 (previously mid-September). General Availability (Worldwide): We will begin rolling out mid-November 2025 (previously mid-September) and expect to complete by early December 2025 (previously early October). How this will affect your organization: Your organization will now be able to open their core collaboration apps in its own window.  What you need to do to prepare: This rollout will happen automatically with no admin action required. You may consider updating your training and documentation as appropriate.

What changed

Between archive captures, newest first

  1. Updated June 10,August 19, 2025: We have updated the timeline below. timeline. Thank you for your patience. Users will have the capability to open … When this will happen: Targeted Release: We will begin rolling out early SeptemberNovember 2025 (previously early September) and expect to complete by mid-September 2025.mid-November 2025 (previously mid-September). General Availability (Worldwide): We will begin rolling out mid-Septembermid-November 2025 (previously mid-September) and expect to complete by early October 2025.December 2025 (previously early October). How this will affect your organization: Your organization will now be able …

  2. Updated May 29,June 10, 2025: We have updated the content.timeline below. Thank you for your patience. Users will have the capability to open … When this will happen: Targeted Release: We will begin rolling out early JulySeptember 2025 and expect to complete by mid-Julymid-September 2025. General Availability (Worldwide): We will begin rolling out mid-Julymid-September 2025 and expect to complete by early AugustOctober 2025. How this will affect your organization: Your organization will now be …

    • Tags New feature, User impact → Updated message, New feature, User impact

    Updated May 29, 2025: We have updated the content. Thank you for your patience. Users will have the capability to open their core applications, such as … more efficiently, ultimately leading to a more streamlined and effective work environment. This message is associated with Microsoft 365 Roadmap ID 495003. When this will happen: Targeted Release: We will begin rolling out early …

  4. · first version seen

Linked documentation

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The notice links to no Microsoft Learn or Support page that this installation reads.

No related evidence found in this installation's recent collection. This does not establish that no announcement exists.

Not confirmed here

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  • Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.
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