When you access your email in Outlook 2016 for Mac the following error can occur:

Mail could not be received at this time The server for account “example” returned the error “[AUTHENTICATIONFAILED] Authentication failed..” Your username/password or security settings may be incorrect. Would you like to try re-entering your password?


  • When you open or send and receive email from Outlook 2016 for Mac the error is shown.


Outlook 2016 cannot connect your email account because the username or password it is using is incorrect.


Check your email password is correct and you are using your full email address, for example., for the username in your Outlook 2016 settings.

You can also Reset your email password in cPanel

Screenshot of Error