Yesterday Microsoft acknowledged in a blog posting that some users have been experiencing this error, and has provided a couple of options for getting around it. After applying this update, a few people have had problems in which the Office identity database has become corrupted and when launching Office programs have received messages stating 'Please upgrade the Office database.' 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.
