Forum Discussion
Custom Background In MS Teams
UPDATED It looks like this is in the process of being rolled out or at least actively tested. If you have the version with the option to select a background image, custom images can be added. Save ...
If you suddently don't see the Backgrounds option on a Mac, even if you previously saw the Background Blur option, it's likely because Microsoft Teams developers made an unfortunate decision to exclude any CPU that doesn't support AVX 2.0, which is a lot of slightly older CPUs.
More here: https://techcommunity.microsoft.com/t5/microsoft-teams/blur-background-on-mac-os/m-p/1268681
