Microsoft has announced that they have reached RTM (Release to Manufacturing) stage for Office 2010 and that it will be available for MSDN and TechNet subscribers on 22nd of April. The official launch of Office 2010 will be hosted in New York City on 12th May including many other virtual events, and it will be available in every retail store in the US in June.
Office 2010 RC (Release Candidate) was released in February of this year. Office 2010 Beta, along with Office Web Apps was released by Microsoft back in November last year for Connect, TechNet and MSDN subscribers. A broader more general release of Office 2010 Beta was made later at PDC09.
Office 2010 Technical Preview, Beta 1 and Beta 2 milestones were leaked earlier in July, August and October 2009 respectively. Check out our Office 2010 Activity Center for the complete coverage on the latest version of Office Productivity Suite.