MC1073094 – Microsoft Outlook: Summarize email attachments with Copilot

Outlook logo

check before: 2025-05-15

Product:

Copilot, Defender, Microsoft 365 Apps, Microsoft 365 Copilot, Outlook, Purview Information Protection

Platform:

Android, iOS, Mac, mobile, Online, US Instances, Web, Windows Desktop, World tenant

Status:

Rolling out

Change type:

New feature, User impact

Links:

475249

Details:

Summary:
Soon, users will be able to summarize PDF, Word, and PowerPoint email attachments with Copilot in Outlook across various platforms. This feature requires a Microsoft 365 Copilot license and will roll out from mid-May to late August 2025. Encrypted and MIP-protected files are not supported. No admin action is needed before rollout.

Details:
Soon, users will be able to summarize PDF, Microsoft Word (.docx), and Microsoft PowerPoint (.pptx) email attachments with Copilot in Outlook. The new feature will be available in Microsoft Outlook for the web, the new Microsoft Outlook for Windows desktop, Microsoft Outlook for Android/iOS, and the new Microsoft Outlook for Mac desktop.
A Microsoft 365 Copilot license is required to access this feature.
This message is associated with Microsoft 365 Roadmap ID 475249.
[When this will happen:]
General Availability (Worldwide): We will begin rolling out mid-May 2025 and expect to complete by late July 2025.
General Availability (GCC): We will begin rolling out mid-June 2025 and expect to complete by late August 2025.

Change Category:
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Scope:
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Release Phase:
General Availability

Created:
2025-05-14

updated:
2025-05-14

Task Type

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Docu to Check

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MS How does it affect me

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MS Preperations

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MS Urgency

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linked item details

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Pictures

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summary for non-techies**

Microsoft is introducing a new feature in Outlook that uses Copilot to summarize email attachments like PDFs, Word documents, and PowerPoint presentations, requiring a Microsoft 365 Copilot license and excluding encrypted or MIP-protected files, with rollout starting mid-May 2025.

Direct effects for Operations**

Inability to summarize encrypted files
Users will not be able to summarize encrypted or MIP-protected files, leading to potential frustration and inefficiency when dealing with sensitive documents.
   - roles: End Users, Compliance Officers
   - references: https://support.microsoft.com/office/summarize-an-email-thread-with-copilot-in-outlook-a79873f2-396b-46dc-b852-7fe5947ab640?preview=true, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=475249

User confusion over feature availability
Users who have turned off the Copilot control toggle will not see the new summarization feature, potentially leading to confusion and dissatisfaction among users expecting the functionality.
   - roles: End Users, IT Support Staff
   - references: https://support.microsoft.com/office/summarize-an-email-thread-with-copilot-in-outlook-a79873f2-396b-46dc-b852-7fe5947ab640?preview=true, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=475249

Configutation Options**

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Data Protection**

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IT Security**

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explanation for non-techies**

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** AI generated content. This information must be reviewed before use.

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Last updated 1 month ago

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