Possible problems include:

• Outlook doesn't open, stops responding, or quits unexpectedly.
• Outlook items don't open, or the item that opens is not the item that you selected.
• Blank lines appear in the Outlook message list or in Outlook contacts.
• Outlook contact entries are not displayed correctly.
• You can't find information that you added to Outlook, such as a calendar event or a contact.
• When you perform a search in Outlook, the search results don't match the criteria that you set.
• A blank Office Reminders window appears.
• The clippings in the Scrapbook disappear. 

These problems can typically be resolved by rebuilding the identity database. Please use the following links to Microsoft solutions:

• Outlook 2016: http://support.microsoft.com/kb/2360509
• Outlook 2016/2019/365: https://support.office.com/en-us/article/Manage-profiles-or-identities-in-Outlook-for-Mac-fed2a955-74df-4a24-bef6-78a426958c4c#ID0EAABAAA=2016
• Delete the existing profile, then
• Add a new profile with your Illinois account