Step 1: Close Microsoft Teams Right-click the Teams icon in your taskbar or system tray. Select Quit to make sure the app is fully closed. [ 1 , 2 ] Step 2: Disconnect the Account from Windows Open the Start Menu and go to Settings . Navigate to Accounts and select Access work or school . If you see the old account listed, click on it and choose Disconnect . [ 1 , 2 ] Step 3: Clear Saved Windows Credentials Open the Control Panel from your Start Menu. Go to User Accounts > Credential Manager and click on Windows Credentials . Look for any entries linked to your old organization, Microsoft Teams, or MicrosoftOffice, and click Remove . [ 1 ] Step 4: Delete Local Authentication Caches Press the Windows Key + R on your keyboard to open the Run dialog box. Type or paste the following path and hit Enter: %localappdata%\Microsoft\OneAuth Delete all files and folders inside this folder. Repeat the Run process for this path as well: %localappdata%\Microsoft\IdentityCache De...