9/5/2012--Redmond, WA, USA..The Commons on Microsoft's campus in Redmond, WA. ..Microsoft initially moved onto the grounds of the campus on February 26, 1986, weeks before the company went public on March 13. The headquarters has since experienced multiple expansions since its establishment...It is estimated to encompass over 8 million ft2 (750,000 m2) of office space and 30,000-40,000 employees. Additional offices are located in nearby Bellevue and Issaquah and the company has about 90,000 employees world-wide...©2012 Stuart Isett. All rights reserve.