Microsoft 365 Roadmap

Outlook
add attachments while offline in the new Outlook for Windows

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

All Microsoft 365 updates
Product
Outlook
Release status
Launched
RSS publication

Feature overview

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

Expected release date

October CY2025

Source: Microsoft 365 Roadmap RSS (build snapshot) Feature ID: 496371

RSS snapshot built . Refreshed on rebuild and deployment.

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