Microsoft 365 Roadmap

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

Feature details and release plans from a build snapshot of Microsoft's official roadmap feed.

All Microsoft 365 updates
Product
Microsoft Copilot (Microsoft 365)
Release status
Launched
RSS publication

Feature overview

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

Expected release date

February CY2026

Source: Microsoft 365 Roadmap RSS (build snapshot) Feature ID: 552591

RSS snapshot built . Refreshed on rebuild and deployment.

View on Microsoft