Microsoft has released the 12.3.0 Update for Office 2008 (333.1MB). This update includes all the improvements that were released in all previous Office 2008 updates.
Updaters do not include an uninstaller. Make sure you have a backup and/or zip the Microsoft Office folder in Applications first in case you need to revert.
Mac OS X version 10.4.9 (Tiger) or a later version of Mac OS Microsoft Office 2008 for Mac Service Pack 1 (12.1.0) . . .
Continue Reading: Microsoft releases Office 2008 for Mac 12.3.0 Update