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

Microsoft 365 Roadmap ID: 496371
Rolling out
Outlook
Worldwide (Standard Multi-Tenant) GCC
General Availability Targeted Release
Desktop
October 2025

Description

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

Change History

Published: June 10, 2025
Last Updated: October 28, 2025
October 29, 2025 at 2:00 AM Updated
Status
Previous
In development
New
Rolling out
Modified Date
Previous
2025-09-23T23:15:02.000Z
New
2025-10-28T23:15:02.000Z
September 24, 2025 at 12:00 AM Updated
Release Date
Previous
September CY2025
New
October CY2025
Modified Date
Previous
2025-08-28T23:00:27.000Z
New
2025-09-23T23:15:02.000Z
August 29, 2025 at 12:01 AM Updated
Release Date
Previous
August CY2025
New
September CY2025
Modified Date
Previous
2025-07-14T23:00:11.000Z
New
2025-08-28T23:00:27.000Z
July 15, 2025 at 12:01 AM Updated
Release Date
Previous
July CY2025
New
August CY2025
Modified Date
Previous
2025-06-10T23:00:26.000Z
New
2025-07-14T23:00:11.000Z

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