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

Microsoft 365 Message Center Archive by Merill Fernando

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
Source created
10 Jun 2025
Source modified
13 Jul 2026 · 4mo ago
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 23:12 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current