Hi
My name is Daniel. I am an Independent Advisor and consumer of Microsoft products, I will be more than happy to help you.
Could you please follow these steps below to reset MS Teams app :
- Close Microsoft Teams (Check out if appears in the Windows toolbar and close it).
- Copy and paste following path Windows File Explorer:
%appdata%\Microsoft\Teams
- Delete all contents in that folder > Re-start Microsoft Teams.
- Sign in
However, if the problem still persists then please reinstall MS Teams Desktop app by downloading the app from the following link:
https://www.microsoft.com/en-us/microsoft-365/m...
Kind Regards