

Select the Exchange account and click the Change button.Open Outlook, go to File > Account Settings > Account Settings.
OUTLOOK 2013 EMAIL KEEPS ASKING FOR PASSWORD PASSWORD
You must disable this setting to get rid of the password prompt issue. Step by step process to resolve the issue In Outlook if the identification settings for users are activated (configured with an Exchange account), it demands for login credentials on a regular basis.

It is not a normal function in Outlook and needs to be resolved to work uninterruptedly with the application.

It annoys users who are involved in some urgent tasks, such as drafting or sending emails containing critical information, because users need to enter the password of the Outlook profile every time to continue the work in progress. One such error that may occur is that Outlook keeps prompting for a password. Microsoft Outlook is a highly effective and simple to manage personal information manager, but sometimes it does not work as expected due to occurring errors present.
