Using an updated version of Office 2011 (14.5.3) on iMac running OS X Yosemite 10.10.4.  Tried to rebuild the identity.  It said it couldn't.  Restarted and rebuilt identity.  Still same issue.  Outlook opens, shows, splash screen and then shuts down.  I have a backed up version of the entity - a lot things there I don't want to loose.  Suggestions??