Fix Office 365 Bug – Exchange Autodiscover not working. Stuck in password loop as it tries to log into Microsoft account

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Using an administrative command prompt run the following command and restart the computer. Re-Add the Microsoft Exchange Account. This will disable office 365’s autodiscover.

REG ADD HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v ExcludeExplicitO365Endpoint /t REG_DWORD /d 00000001

Ipconfig /flushdns