Microsoft Office 2013 Service Pack 1 (SP1) provides the latest updates for Office 2013. This service pack includes two kinds of fixes:

  • Previously unreleased fixes that are included in this service pack. In addition to general product fixes, these fixes include improvements in stability, performance, and security.
  • All the monthly security updates that were released through January 2014, and all the Cumulative Updates that were released through December 2013.

Issues that this service package fixes

This service package fixes the issues that are described in the following Microsoft Knowledge Base (KB) articles:

  • 2919506 Can't hear the first few words that a callee speaks when they answer a call in Lync 2013
  • 2919507 The "Program Events" sound setting is reset to the default value after you restart Lync 2013
  • 2919508 Can't rotate the screen orientation of a video window in a Lync 2013 video conference on a Windows 8.1-based device
  • 2919510 A pie chart clock icon appears in the "Conversations" tab as a meeting icon in Lync 2013