Microsoft Office 2010 Service Pack 1 (SP1) provides the latest updates for Office 2010. This service pack includes two main categories of fixes:
  • Previously unreleased fixes that were made specifically for this service pack. In addition to general product fixes, these fixes include improvements in stability, performance, and in security.
  • All the public updates that were released through June 2011, and all the cumulative updates that were released through April 2011.


Overview of Office 2010 SP1 improvements Learn more.