REPAIR OFFICE 2011 MAC DATABASE FOR MAC
Recently Microsoft released the Service Pack 2 upgrade for its Office 2011 for Mac productivity suite, which primarily addresses issues and functions with Outlook for Mac, but also addresses problems with other aspects of the Office suite. If you can’t get to the rebuild screen, there could be a conflict with another application.
For small database issues, such as missing or corrupt data, Outlook performs a silent recovery in the background by syncing the necessary data from the server. The Rebuild button found at the lower right of the Outlook for Mac 2011 Database Utility window is no longer available on the Outlook for Mac for Office 365 Profile Manager window. 08b.) Remove it from the user's login preference pane auto launch using System Preferences. 08a.) Kill the Microsoft Database Deamon. OTHERWISE, STOP NOW AND GO BACK TO YOUR BACKUP(S) Or explore/invent your own new procedures, for example, making multiple exports of fewer items, and see if you can contain the damage that way.
If you can live with the ambiguous errors and act appropriately on the clear ones, then proceed. Unfortunately, there may be ambiguous errors about, for example, missing attachments. Are there any clear errors? Decide what to do about them.