Users will now be able to upload .eml and .msg files and share it as context with Copilot Chat and M365 Copilot App.
Roadmap › 552591
Microsoft Copilot (Microsoft 365): Upload Local Files now Support .eml and .msg file types
- General availability
- 2026-02
- Preview
- —
- Added
- 28 Jan 2026
- Last modified
- 13 Apr 2026 23:15 UTC
- First archived
- 25 Aug 2026
- Release rings
- General Availability
- Clouds
- Worldwide (Standard Multi-Tenant)