2007 Microsoft Office suite Service Pack 2 (SP2) gives customers the latest updates for the 2007 Office suite. 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, in performance, and in security.

All the public updates, security updates, cumulative updates, and hotfixes that were released through February 2009.

Microsoft Office 2007 SP2

Knowledge Base Article