(Updated) Microsoft Copilot: File summary in Microsoft Teams chat [MC1003344]

Message ID: MC1003344

Updated September 16, 2025: We have updated the timeline. Thank you for your patience.

Users will be able to summarize files with Summarize for me using Microsoft Copilot within one-on-one or group Microsoft Teams chats. This feature will work on common file types like Word and PDF initially, and other file formats will be added over time. This summarization respects the file’s security policies, ensuring that only users with access to the file receive a summary, which will carry the same sensitivity label as the original file. A Microsoft 365 Copilot license is required to use this feature.

This message is associated with Microsoft 365 Roadmap ID 418564.

 [When this will happen:] 

Targeted Release: We will begin rolling out late July 2025 (previously early July) and expect to complete by mid-August 2025 (previously mid-July).

General Availability (Worldwide): We will begin rolling out mid-August 2025 (previously late July) and expect to complete by early September 2025 (previously early August).

General Availability (GCC): We will begin rolling out mid-August 2025 (previously late July) and expect to complete by late September 2025 (previously early September).

[How this will affect your organization:]

Users will be able to summarize files with Summarize for me in Copilot within Teams chats.

This feature will be available by default.  

[What you need to do to prepare:]

This rollout will happen automatically with no admin action required. You may want to notify your users about this change and update any relevant documentation as appropriate.

Source: Microsoft

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