Today Microsoft is announcing the availability of the Service Pack 3 for Office 2007 and SharePoint Server 2007. Interested customers can get the manual download on the Microsoft Download Center. After 90 days, Office 2007 customers will receive the update automatically.
Service Pack 3 contains a roll-up of all 2007 Cumulative and Public Updates since Service Pack 2 for both Office client suites and applications as well as SharePoint Server applications, and additional fixes. The SP3 changes are described here.
Upgrading to Office 2010 or signing up for Office 365 is also an option for those who are running Office 2007. Go here to learn more about free trials of Office 2010 and Office 365.