M365 Archive

RM499657 - Microsoft Copilot (Microsoft 365): [Copilot Chat] Email attachment summarization (Modern Attachments)

Microsoft 365 Roadmap

Roadmap ID

499657

View in M365 Roadmap

Status

Launched

Release

General Availability

Last Updated

Nov 8, 2025

Published Jul 31, 2025

Platforms

Android
Desktop
iOS
Linux
Mac
Teams and Surface Devices
Web

Service

Outlook
Microsoft Copilot (Microsoft 365)
Developer

Tag

Launched
General Availability
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Summary

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).

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).

GA date: September CY2025