(Updated) Microsoft Outlook: Summarize email with Copilot chat

Updated April 21, 2026: We have paused rollout of Web, Mac, and Desktop releases. Android and iOS will continue to rollout as planned.

[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 is available to Android and iOS 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 started early October 2025; completed mid-October 2025.
• General Availability (Worldwide): Began mid-October 2025; completed mid-October 2025.

[How this affects your organization:]

Who is affected: Users with a Microsoft 365 Copilot license and pinning enabled in Outlook across Android and iOS.

What will happen:

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

• 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.