Microsoft engineering groups are the operating divisions of Microsoft. Starting in April 2002, Microsoft organised itself into seven groups, each an independent financial entity.[1] In September 2005, Microsoft announced a reorganization of its then seven groups into three.[2] In July 2013, Microsoft announced another reorganization into five engineering groups and six corporate affairs groups.[3] A year later, in June 2015, Microsoft reformed into three engineering groups.[4] In September 2016, a new group was created to focus on artificial intelligence and research.[5] On March 29, 2018, a new structure merged all of these into three.[6][7]
As of 2023, there are four groups: