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

Originally posted by Microsoft Jan 28, 2026 Uncategorized 0 Comments

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

Product
Release phase General Availability
Release date February CY2026
Platform Web
Cloud Instance Worldwide (Standard Multi-Tenant)
Created 2026-01-28 00:00:53Z
Roadmap ID 552591
Roadmap Link https://www.microsoft.com/microsoft-365/roadmap?id=552591

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Joao Ferreira

I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.

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