check before: 2026-02-01
Product:
Copilot
Platform:
Web, Windows Desktop, World tenant
Status:
In development
Change type:
Links:
Details:
Users will now be able to upload .eml and .msg files and share it as context with Copilot Chat and M365 Copilot App.
Change Category:
XXXXXXX ... free basic plan only
Scope:
XXXXXXX ... free basic plan only
Release Phase:
General Availability
Created:
2026-01-28
updated:
2026-01-28
Docu to Check
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MS workload name
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summary for non-techies**
Microsoft 365 Copilot now supports the upload of .eml and .msg email files, enabling users to integrate and work with these files directly within the Copilot Chat and M365 Copilot App for a more streamlined workflow.
Direct effects for Operations**
File Compatibility Issues
If users attempt to upload .eml and .msg files without proper preparation, they may encounter compatibility issues with existing systems or applications that do not support these file types, leading to potential data loss or corruption.
- roles: IT Support, End Users
- references: https://techcommunity.microsoft.com/t5/microsoft-365-blog/introducing-microsoft-365-copilot/ba-p/3731230, https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/whats-new-in-microsoft-365-copilot/
" target="_blank" rel="nofollow noopener noreferrer">https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/whats-new-in-microsoft-365-copilot/
User Experience Disruption
The introduction of new file types without adequate training or communication may confuse users, leading to frustration and decreased productivity as they navigate unexpected changes in functionality.
- roles: End Users, Training Coordinators
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/whats-new-in-microsoft-365-copilot/, https://www.forbes.com/sites/bernardmarr/2023/10/02/microsoft-copilot-what-it-is-and-how-it-works/?sh=5c1c1e1e7c3e
Configutation Options**
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explanation for non-techies**
XXXXXXX ... free basic plan only
** AI generated content. This information must be reviewed before use.
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Last updated 3 weeks ago ago
