Microsoft 365 Message Center item MC1234561
MC1234561 - (Updated) Microsoft Teams on Windows: Annotate content while sharing a single window
Microsoft Teams on Windows will enable annotation on a single shared application window, enhancing focused collaboration and privacy. Rollout starts early March 2026, completing by mid-April. Presenters and participants can annotate, with the feature enabled by default and no admin action required.
- Message Center ID
- MC1234561
- Category
- stay Informed
- Severity
- normal
- Services
- Microsoft Teams
- Tags
- Updated message, Feature update, User impact
- Roadmap ID
- 555239
- Platforms
- Desktop
- Published
- 2026-02-18
- Last updated
- 2026-04-07
- Expires
- 2026-05-18
Updated April 7, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We’re introducing Annotations on Single Window Sharing for Windows in Microsoft Teams meetings, based on customer feedback requesting more focused and privacy‑preserving collaboration. Presenters can now annotate directly on a shared application window without sharing their entire desktop.This message is associated with Roadmap ID 555239. [When this will happen:] Targeted Release: Rollout begins early March 2026 and is expected to complete by mid-March 2026. General Availability: Rollout begins mid-March 2026 and is expected to complete by mid-April 2026 (previously late March). [How this affects your organization:] Who is affected: Users who present content in Microsoft Teams meetings on WindowsMeeting participants on Windows, macOS, and mobile devices What will happen: Presenters can share a single application window instead of their full screen. Annotations can be started from the presenter toolbar during window sharing. Participants can view and contribute to annotations. The feature is enabled by default and requires no admin configuration. Existing Teams and Microsoft Whiteboard behaviors for annotation storage and access are respected.There is no change to background app visibility—notifications and unrelated windows remain private. [What you can do to prepare:] No action is required. The feature will be available automatically as it reaches your tenant.Consider notifying helpdesk and end users about the new annotation capability during window sharing.Ensure presenters use the Microsoft Teams desktop app on Windows and are on a supported version.Review existing internal guidance or training materials related to Teams screen sharing and update as needed. Additional information:Annotations are initiated by the presenter during single window sharing.Annotation content follows existing Microsoft Whiteboard storage and retention behavior.Presenter support is currently limited to Windows. [Compliance considerations:] No compliance considerations identified, review as appropriate for your organization.