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Microsoft Copilot (Microsoft 365): Upload Local Files now Support .eml and .msg file types

Roadmap ID
552591
View in M365 Roadmap
Product
Microsoft Copilot (Microsoft 365)
Published
January 28, 2026
Status
Launched
Cloud Instance
Worldwide (Standard Multi-Tenant)
Release Phase
General Availability
Platforms
DesktopWeb
Expected Release
February 2026

Description

Users will now be able to upload .eml and .msg files and share it as context with Copilot Chat and M365 Copilot App.

Change History

Show
Published: January 28, 2026
Last Updated: April 13, 2026
April 14, 2026 at 12:00 AM Updated
Status
Previous
In development
New
Launched
Modified Date
Previous
2026-01-28T00:00:53.000Z
New
2026-04-13T23:15:13.000Z

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