Microsoft Error Something Went Wrong [1200]

    --- Clear your browsing data reboot --- %localappdata%\Microsoft\Credentials - delete this folder. reboot --- Control Panel, Credential Manager, Windows Credentials, Remove the entries there. reboot --- Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Identity Delete the Identity key reboot --- After all of that, it may still be an issue. So, weird, but click the user in the Start Menu, [...]