The new Outlook will be pre-installed on Windows 10 devices with the optional January 28, 2025 release, and the February 11, 2025 security update. It will exist alongside classic Outlook without altering configurations or defaults. Preparation guidance is available for controlling the installation.
New Outlook for Windows will be automatically installed on Windows 10 devices as part of an upcoming monthly security release.
When this will happen:
Available as part of:
How this affects your organization:
New Outlook exists as an installed app on the device. For instance, it can be found in the Apps section of the Start Menu. It does not replace existing (classic) Outlook or change any configurations / user defaults. Both (classic) Outlook and New Outlook for Windows can run side by side.
What you can do to prepare:
Guidance for how to control the installation of new Outlook can be found here: Block new Outlook pre-install on Windows.