Launched

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

Why it matters: Generally available

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).

Target September CY2025Cloud WorldwidePlatform Android, Desktop, Developer, iOS, Linux, Mac, Teams and Surface Devices, WebSource updated 2025-11-08

Affected: Outlook, Microsoft Copilot (Microsoft 365)

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