Microsoft Outlook for Mac
The server for account "..." returned the error "[AUTHENTICATIONFAILED]
Authentication failed." Your username/password or security settings may
be incorrect. Would you like to try re-entering your password
The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
The server for account "..." returned the error "[AUTHENTICATIONFAILED]
Authentication failed." Your username/password or security settings may
be incorrect. Would you like to try re-entering your password
Contact Microsoft for support with Microsoft products. Excerpted from Contact a third-party vendor - Apple Support:
Microsoft Outlook for Mac