According to your case description, you are stuck with your old account and cannot use Teams. We recommend that you follow the steps below to troubleshoot:
- Completely exit Teams: Make sure Microsoft Teams is completely exited. You can right-click the Teams icon in the Dock and select "Exit".
- Clear Teams cache:
- Delete Teams credentials in the keychain: Open the "Keychain Access" application. Delete all entries related to Microsoft Teams.
- Restart your computer: After completing the above steps, restart your Mac.
If the above steps still do not work, you need to uninstall Teams and clear the related user files, and then download the latest version of Teams to install.
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