If Teams is still running, right-click the Teams icon in the dock, and then select Quit or press Command (⌘)-Q.
In the Finder, open the /Applications/Utilities folder, and then double-click Terminal.
Enter the following command, and then press Return:
rm -r ~/Library/Application\ Support/Microsoft/Teams
Restart Teams.
If Teams is still running, right-click the Teams icon in the dock, and then select Quit or press Command (⌘)-Q.
In the Finder, open the /Applications/Utilities folder, and then double-click Terminal.
Enter the following commands, and press Return after each command:
4. Restart Teams