Problem
When you try to login to an IMAP account in Outlook you may get the error:
The action cannot be completed. The name cannot be matched to a name in the address list.
Resolution
This problem is caused by an inability to login to the email system. Verify that the account is able to login using another method.
This error is known to be caused by Gmail accounts that have been locked out. If this is the case you need to unlock your Gmail account.