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Roadmap ID 496371 LaunchedGCC

Outlook: add attachments while offline in the new Outlook for Windows

Microsoft 365 roadmap entry

Summary

We are adding more functionality to offline mode in the new Outlook for Windows. You will now be able to add attachments while drafting your email without an internet connection. #newoutlookforwindows

Status
Launched
General availability target
Oct 2025
Preview target
Not published
Products
Outlook
Clouds
Worldwide (Standard Multi-Tenant), GCC
Release phases
General Availability, Targeted Release
Platforms
Desktop
Added to the roadmap
10 Jun 2025
Last changed
13 Jul 2026 · 2mo ago
recently changed
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