Launched
Outlook
Microsoft Copilot (Microsoft 365)
Worldwide (Standard Multi-Tenant)
General Availability
Android
Desktop
Developer
iOS
Linux
Mac
Teams and Surface Devices
Web
September 2025
Description
Users will be able to reason over additional attachment content, along with the email body, in Copilot Chat. Support will be extended to Word, Excel, PowerPoint, Pdf, Text, Json and Xml files mentioned in the email as links (Modern Attachments).
Change History
November 8, 2025 at 2:00 AM
Updated
Status
Previous
Rolling out
New
Launched
Modified Date
Previous
2025-09-29T23:15:03.000Z
New
2025-11-08T00:00:04.000Z
September 30, 2025 at 12:00 AM
Updated
Status
Previous
In development
New
Rolling out
Modified Date
Previous
2025-09-10T23:15:44.000Z
New
2025-09-29T23:15:03.000Z
September 11, 2025 at 12:00 AM
Updated
Title
Previous
Microsoft Copilot (Microsoft 365): [Copilot Chat] Email attachment summarization (Modern Attachments, Item Attachments)
New
Microsoft Copilot (Microsoft 365): [Copilot Chat] Email attachment summarization (Modern Attachments)
Description
Previous
Users will be able to reason over additional attachment content, along with the email body, in Copilot Chat. Support will be extended to Word, Excel, PowerPoint, Pdf, Text, Json and Xml files mentioned in the email as links (Modern Attachments). Additionally, other item attachments, such as email threads, will also be supported.
New
Users will be able to reason over additional attachment content, along with the email body, in Copilot Chat. Support will be extended to Word, Excel, PowerPoint, Pdf, Text, Json and Xml files mentioned in the email as links (Modern Attachments).
Modified Date
Previous
2025-07-31T23:15:15.000Z
New
2025-09-10T23:15:44.000Z
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