How to add your own custom backgrounds to Microsoft Teams. Again, I don’t have access to this feature, so I can’t verify these steps myself. However, ...

The toggle to enable background effects sits next to the toggle for the mic at the bottom of the screen in the Teams app. "You can also replace your background with one of the images provided, or ...

Microsoft Teams now allows for custom backgrounds. The process to change your background is the same whether you’re hosting a meeting or participating, and it works in a regular call the same way.

It's a long time coming, but Microsoft Teams users will apparently be able to use AI to use a custom image as their background, just like in Zoom.