- Close Teams completely — right-click the Teams icon in the system tray and select Quit.
- Press Win + R, paste the following, and hit Enter:
%LocalAppData%\Packages\MSTeams_8wekyb3d8bbwe
- Select everything in the folder (Ctrl + A) and delete it.
- Reopen Teams and sign back in.
Note: You may need to sign in again after clearing the cache. This is normal.