Delete all entries for your Exchange account. Select Finder | Utilities | Keychain Access.
Mac Outlook - Choose Tools | Accounts | type your HawkID password in the password field. If prompted again after Cancel, move on to step 3. It will run diagnostics and attempt to fix the issue.
If the steps below don't work, download and install the Microsoft Support and Recovery Tool. In this case, please contact your local ITS Support Team or the ITS Help Desk. In some cases, you may need administrative rights to update these settings. If you are continually being prompted for your password in Outlook try the steps below, one at a time, to resolve the issue.