(Updated) Microsoft Outlook: Summarize email with Copilot chat

Message Center ID: MC1162289
Exchange Online Microsoft Copilot (Microsoft 365)
Stay Informed
New feature User impact Admin impact
October 2025 November 2025
Android Desktop iOS Mac Web

Summary

Outlook now offers email and attachment summarization via Copilot chat for Microsoft 365 Copilot license holders with pinning enabled. Available across platforms and Outlook versions, it requires no admin setup and rolls out worldwide from October to November 2025. No compliance issues identified.

Details

Updated October 2, 2025: We have updated the content. Thank you for your patience.

[Introduction]

We're introducing a new way to quickly summarize emails and attachments using Copilot chat in Outlook. With a single click, users can generate concise summaries of email content and attachments, helping them stay focused and save time. This feature supports both Classic and New Outlook for Windows and is available to users with a Microsoft 365 Copilot license and pinning enabled.

This message is associated with Microsoft 365 Roadmap ID 503316.

[When this will happen:]

  • Targeted Release (Worldwide): Rollout underway by early October 2025; expected completion by early November 2025.
  • General Availability (Worldwide): Begins mid-October 2025; expected completion by late November 2025.

[How this affects your organization:]

Who is affected: Users with a Microsoft 365 Copilot license and pinning enabled in Outlook across Android, Desktop, iOS, Mac, Web, and Windows (Classic and New).

What will happen:

Users will see a new option to summarize email content using Copilot chat:

user settings

  • The feature will be available across Android, Desktop, iOS, Mac, Web, and both Classic and New Outlook for Windows.
  • No admin configuration is required; the feature is enabled by default for eligible users.
  • Existing policies are respected; no changes to admin controls are needed.

[What you can do to prepare:]

  • No action is required.
  • You may choose to inform users about the new summarization capability.
  • If desired, update internal documentation to reflect the availability of this feature.

[Compliance considerations:]

No compliance considerations identified, review as appropriate for your organization.

Related Roadmap Items

Change History

November 14, 2025 at 10:30 PM Updated
Last Updated Date
Previous
2025-10-06T16:19:52.360Z
New
2025-11-14T20:23:23.770Z
October 6, 2025 at 6:30 PM Updated
Service
Previous
Exchange Online
New
Exchange Online,Microsoft Copilot (Microsoft 365)
Last Updated Date
Previous
2025-10-02T17:26:35.213Z
New
2025-10-06T16:19:52.360Z
October 2, 2025 at 6:30 PM Updated
Title
Previous
Microsoft Outlook: Summarize email with Copilot chat
New
(Updated) Microsoft Outlook: Summarize email with Copilot chat
Summary
Previous
Outlook will introduce a Copilot chat feature to summarize emails with one click, available to Microsoft 365 Copilot license users across all platforms by November 2025. It requires no admin setup, respects existing policies, and aims to save users time and improve focus.
New
Outlook now offers email and attachment summarization via Copilot chat for Microsoft 365 Copilot license holders with pinning enabled. Available across platforms and Outlook versions, it requires no admin setup and rolls out worldwide from October to November 2025. No compliance issues identified.
Last Updated Date
Previous
2025-09-29T23:12:39.523Z
New
2025-10-02T17:26:35.213Z
Tags
Previous
New feature,User impact,Admin impact
New
Updated message,New feature,User impact,Admin impact
Body Content
Previous

[Introduction]

We're introducing a new way to quickly summarize emails using Copilot chat in Outlook. With a single click, users can generate concise summaries of email content, helping them stay focused and save time. This feature supports both Classic and New Outlook for Windows and is available to users with a Microsoft 365 Copilot license and pinning enabled.

This message is associated with Microsoft 365 Roadmap ID 503316.

[When this will happen:]

  • Targeted Release (Worldwide): Rollout underway by early October 2025; expected completion by early November 2025.
  • General Availability (Worldwide): Begins mid-October 2025; expected completion by late November 2025.

[How this affects your organization:]

Who is affected: Users with a Microsoft 365 Copilot license and pinning enabled in Outlook across Android, Desktop, iOS, Mac, Web, and Windows (Classic and New).

What will happen:

Users will see a new option to summarize email content using Copilot chat:

user settings

  • The feature will be available across Android, Desktop, iOS, Mac, Web, and both Classic and New Outlook for Windows.
  • No admin configuration is required; the feature is enabled by default for eligible users.
  • Existing policies are respected; no changes to admin controls are needed.

[What you can do to prepare:]

  • No action is required.
  • You may choose to inform users about the new summarization capability.
  • If desired, update internal documentation to reflect the availability of this feature.

[Compliance considerations:]

No compliance considerations identified, review as appropriate for your organization.

New

Updated October 2, 2025: We have updated the content. Thank you for your patience.

[Introduction]

We're introducing a new way to quickly summarize emails and attachments using Copilot chat in Outlook. With a single click, users can generate concise summaries of email content and attachments, helping them stay focused and save time. This feature supports both Classic and New Outlook for Windows and is available to users with a Microsoft 365 Copilot license and pinning enabled.

This message is associated with Microsoft 365 Roadmap ID 503316.

[When this will happen:]

  • Targeted Release (Worldwide): Rollout underway by early October 2025; expected completion by early November 2025.
  • General Availability (Worldwide): Begins mid-October 2025; expected completion by late November 2025.

[How this affects your organization:]

Who is affected: Users with a Microsoft 365 Copilot license and pinning enabled in Outlook across Android, Desktop, iOS, Mac, Web, and Windows (Classic and New).

What will happen:

Users will see a new option to summarize email content using Copilot chat:

user settings

  • The feature will be available across Android, Desktop, iOS, Mac, Web, and both Classic and New Outlook for Windows.
  • No admin configuration is required; the feature is enabled by default for eligible users.
  • Existing policies are respected; no changes to admin controls are needed.

[What you can do to prepare:]

  • No action is required.
  • You may choose to inform users about the new summarization capability.
  • If desired, update internal documentation to reflect the availability of this feature.

[Compliance considerations:]

No compliance considerations identified, review as appropriate for your organization.

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