Can't log into microsoft teams on desktop

Layer3.host
1
  1. Sign out from Teams
  2. Clear the Teams credential through:
    Search for Credential Manager > Windows Credential > Delete ALL Teams cache credential
  3. Delete the Teams cache through below and delete everything inside
    %appdata%\Microsoft\teams
  4. Sign in to Teams again

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https://answers.microsoft.com/en-us/msteams/forum/all/cant-log-into-microsoft-teams-on-desktop-app/b3694fc5-5fde-4b07-afdd-d33285638b75

2

Re-install the application and try again.