As Microsoft is making its way onto the next iteration of the Office system, it is gearing up to kill support for Office 2000 in just two months. Microsoft Office 2000 leaves extended support on July 14, 2009. Office 2000 patches published on or before July 14, 2009 will remain on the Download Center,” revealed. Microsoft already retired Mainstream Support for Office 2000 in mid-2004. On June 30, 2004, Office 2000, with the following SKUs: Developer Edition, Premium Edition, Professional Edition, Small Business Edition and Standard Edition entered what Microsoft refers to as the Extended Support phase.