It is probably not wrong for a Windows critic to say that the OS is slowly turning into an ad-fest, with more ads and promos now in the Start menu. This unofficial app promises to disable them all.
Winpilot RSS
The official one may be dead and gone forever, but the unofficial Clippy inside Windows debloater app Winpilot (formerly called BloatyNosyAI) has received several improvements and fixes.
If you are not a fan of how the New Outlook for Windows app looks or behaves or have some other complaints about it, you can swiftly remove it with a click or two using this third-party app.