Open Control Panel, and then do one of the following: If you have an older version of Outlook, change the Logon network security setting to Anonymous Authentication to fix this issue.
Why does Outlook keep prompting for password.Outlook prompts for password when Modern Authentication is enabledĪdditionally, you can view the following forum thread for common causes:.
If you are connecting to an Exchange On-Premises mailbox, see the following articles for additional troubleshooting: Diag: Outlook keeps asking for my password
