Frequently Asked Question

Outlook - Prevent outlook from trying office 365 logon.
Last Updated 3 years ago

How to Prevent outlook from trying office 365 logon.

  1. Open regedit and navigate to 
  2. Create a DWORD (30-bit) value for ExcludeExplicitO365Endpoint and change the value to “1” to enable it.
  3. Close Regedit and add the mail account to outlook.

This is sometimes needed when you have a user that has both a 365 account and an on-premis e-mail account. 

Please Wait!

Please wait... it will take a second!