You probably already tried to add a new background with a
.gif extension, but soon realized that Microsoft Teams will only allow you to select from
I thought to myself: what if I uploaded a
.gif to wherever Microsoft Teams stores those custom uploaded backgrounds?
A quick search lead me to
~/Library/Application Support/Microsoft/Teams/Backgrounds. I copied an
animated.gif and an
animated_thumb.jpg to match, and while I could select the thumbnail, the background was not applied.
My last hope was to rename
animated.jpg, and low and behold, after selecting the thumbnail, the GIF actually played in the background.
So if you have a MP4, just convert it to a GIF, because MP4s won’t work.