Launched

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

Why it matters: Generally available

Now users will be able to reason over attached content along with the body of the email in Copilot Chat. Supported file types are Word, Excel, PowerPoint, Pdf, Text, Json and Xml attached to the email (Classic Attachments).

Target August CY2025Cloud WorldwidePlatform Android, Desktop, Developer, iOS, Linux, Mac, Teams and Surface Devices, WebSource updated 2025-09-08

Affected: Outlook, Microsoft Copilot (Microsoft 365)

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