This document explains how to repair a profile in Microsoft Outlook. This will work for Outlook 2010, 2013, and 2016 in Windows 7, 8.1 or 10. Outlook Repairs are mainly done to fix corrupted/damaged files. Repairs fix most problems that can't be solved through traditional troubleshooting. Advise the user that this process may take 10-15 minutes, or longer if their .pst file is large (several GBs).
1. Click File.
2. Select Account Settings, and then select Account Settings again in the drop down menu.
3. In the Email tab, select the account you wish to repair and click Repair.
4. Select Next.
5. Outlook will complete the setup for your account. You will receive a prompt to restart Outlook for the changes to take effect. Select Okay.
6. When it is finished, select Finish and restart Outlook.
Note: If user's have a large mailbox, then this process may take a while.