Removing and Re-Adding Outlook Account on Mac

You must have an active University of Illinois NetID to successfully complete these steps.

Written guide can be found at the link below.
https://answers.uillinois.edu/illinois/page.php?id=74507

For those using IMAP clients instead of Outlook, please review the information on the following website for configuration information.
https://answers.uillinois.edu/illinois/page.php?id=47615

Additional EngrIT only documentation available at the link below.
https://wiki.illinois.edu/wiki/display/esc/How+To%3A+Fix+Microsoft+Outlook+on+macOS+after+an+Office+...