Open

Windows

1. Fully quit Microsoft Teams and ensure it’s not still running in the toolbar at the bottom right of Windows.

2. Navigate to %appdata%\Microsoft\Teams in a File Window.
   
   

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3. Select everything in the folder.

4. Delete everything.

5. Reboot your Computer

6. Open Teams and wait for it to download required files.

Mac

1. Quit out of Teams completely

2. Navigate to ~/Library/Application Support/Microsoft.
   
   

3. Right-click the Teams folder then select Move to Trash.

4. Navigate to Keychain Access.

5. Search for ‘Microsoft Teams’ and delete the entry.

6. Reboot your Computer

7. Open Teams and wait for it to download required files.