PST may also get damaged if the size of PST file size grows larger, which makes it unstable and cause corruption due to data integrity issues. This file may get damaged due to disk errors, system crash or abrupt shutdown while Outlook is open, etc. that you access and send in Outlook are stored. PST is the Outlook data file where all email data and mailbox items such as contacts, notes, journals, calendar, attachments, etc. Step 6: Repair Corrupt PST File via ScanPST.EXE

After install, open Outlook 2016 and check if the error is resolved. So, check for Window’s updates and install them.

Windows updates not only brings new features, security patches but also updates to MS Outlook and other Microsoft applications. Sometimes installing the latest Windows updates on your PC, where Outlook 2016 is installed, can fix these Outlook errors. You can try to repair the MS Office installation by following these steps, If MS Office installation is damaged or files are missing due to some malware or virus intrusion, system crash or disk error, it can cause Outlook to stop working.