The new Outlook app on Windows 10 is poorly received among users. Users have noted slower performance, cloud storage of emails, and invasive ads. Resources are available to learn about data usage and optimize the new app.

Microsoft is automatically installing the new Outlook app for all Windows 10 users. You can prevent it with this trick.

Microsoft has released the KB5051974 cumulative update for versions 22H2 and 21H2, adding security fixes and patching a memory leak. However, as reports, the update also includes a surprise: the new Outlook for Windows app.

How to prevent Outlook from installing with Windows 10 KB5051974, which is February 2025's big cumulative update (mandatory).

Microsoft has released the KB5051974 cumulative update for Windows 10 22H2 and Windows 10 21H2, which automatically installs the new Outlook for Windows app and fixes a memory leak bug.