Additional features, settings, or issues not covered by specific Microsoft Teams categories
I HIGHLY recommend you NOT to change your profile picture to a GIF file because, if you feel like you wanna change back to a JPG file, it would be hard-means you will be stuck in a loop. I encountered this issue, and I, at last, got rid of it.
Microsoft hasn't programmed the feature yet. Let's wait till Microsoft receives our requests.
Joe13 B-) 2.0