check before: 2025-10-01
Product:
Copilot, Exchange, Microsoft 365 Copilot, Outlook, Windows
Platform:
Android, iOS, Mac, Online, Web, Windows Desktop, World tenant
Status:
Launched
Change type:
Admin impact, New feature, Updated message, User impact
Links:
Details:
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.
Change Category:
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Scope:
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Release Phase:
General Availability, Targeted Release
Created:
2025-09-30
updated:
2025-10-06
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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MS workload name
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linked item details
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Pictures
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summary for non-techies**
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Direct effects for Operations**
User Experience Disruption
Users may experience confusion or frustration if they are not informed about the new summarization feature, leading to underutilization of the tool and potential inefficiencies in email management.
- roles: End Users, IT Support Staff
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=503316
Increased Support Requests
Without prior preparation and communication, the introduction of the new feature may lead to an increase in support requests from users who encounter issues or have questions about the functionality, impacting IT resources.
- roles: IT Support Staff, Help Desk Personnel
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=503316
Configutation Options**
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Data Protection**
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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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change history
| Date | Property | old | new |
| 2025-10-06 | MC Last Updated | 10/02/2025 19:26:35 | 2025-10-06T18:19:52Z |
| 2025-10-02 | MC Messages | [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. | 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. |
| 2025-10-02 | MC Title | Microsoft Outlook: Summarize email with Copilot chat | (Updated) Microsoft Outlook: Summarize email with Copilot chat |
| 2025-10-02 | MC Last Updated | 09/30/2025 01:12:39 | 2025-10-02T19:26:35Z |
| 2025-10-02 | MC MessageTagNames | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact |
| 2025-10-02 | MC Summary | 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. | 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 2 weeks ago ago
