Because of a recent Microsoft update, you may be having issues with Outlook, not finding the Exchange Server. Examples of errors: Or: See these  articles:- https://www.gothamweb.com/portal/index.php/knowledgebase/8/Outlook-bypasses-AutoDiscover-and-connects-directly-to-Office-365-mailbox.html https://support.microsoft.com/en-au/help/3189194/how-to-disable-simplified-account-creation-in-outlook If your email and password is the same as your Microsoft account, that may be also an issue, and I recommend you change the Microsoft password to something … Continue reading Outlook 2016 Fix