Microsoft Copilot (Microsoft 365): Upload Local Files now Support .eml and .msg file types
Microsoft lists this Microsoft Copilot (Microsoft 365) roadmap item as Launched, with general availability in February 2026.
Launched1 version
Facts
- Microsoft id
552591- Status
- Launched
- Products
- Microsoft Copilot (Microsoft 365)
- General availability
- February 2026
- Release rings
- General Availability
- Platforms
- Desktop, Web
- Cloud instances
- Worldwide (Standard Multi-Tenant)
- Status pages
- Microsoft 365 Copilot status
- First captured by us
- (from our first import of this list)
- Microsoft last modified
- Source
- Microsoft 365 roadmap · open the original at Microsoft
Microsoft says
Users will now be able to upload .eml and .msg files and share it as context with Copilot Chat and M365 Copilot App.
What Microsoft changed
One version so far. If Microsoft edits it, each change shows here with what was removed and added.
First version we captured ·
As first seen: Launched
- Status
- Launched
Seen by us · Microsoft's timestamp · Microsoft's page
Related changes
Other changes for Microsoft 365 Copilot
- Microsoft Copilot (Microsoft 365): Discover and act on recommended lead and opportunity actions in Sales agent · In development
- Microsoft 365 Copilot release notes: January 13, 2026
- Microsoft 365 Copilot release notes: January 27, 2026
- Microsoft 365 Copilot release notes: February 24, 2026
- Microsoft 365 Copilot release notes: March 10, 2026
- Microsoft 365 Copilot release notes: March 24, 2026
- Microsoft 365 Copilot release notes: April 7, 2026
- Microsoft 365 Copilot release notes: May 19, 2026
Last updated