To verify that the email address is associated with a Microsoft account, navigate to  , Verify that the email address is associated with a Microsoft account

To correct this situation, you must remove the association between the PracticalHost Exchange email or Hosted Exchange address and the Microsoft account. In these cases, Outlook is attempting to redirect to Microsoft’s own Office 365® servers, due to the user’s email address being associated to a Microsoft account. The following issues are indications of Microsoft account conflicts: This article discusses diagnosing issues caused by Microsoft® account conflicts when you try to connect to your email through Outlook®.