SUMMARYMicrosoft has released an update to Microsoft Office XP. This update provides se...Microsoft has released an update to Microsoft Office XP. This update provides security enhancements in addition to stability and performance improvements. Some of the fixes that are included with Microsoft Office XP Service Pack 3 (SP3) have been previously released as separate updates. This service pack combines them in one update. Office XP SP3 can be installed on any level of Microsoft Office XP and does not require any earlier service packs to be installed.