This article will show you how to resolve the error message below when trying to sign In to Office 365 from Office 2013.
The error message can be seen below:
To Fix the Issue open RegEdit.exe
Go to:
HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common\Internet\UseOnlinecontect
Double click and Set value to 2
Open:
HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common\SignIn\SignInOptions
Change value to 0