"About every two years in its 20-year history, Microsoft has undertaken a major reorganization. We changed the structure of the company at the beginning of 1994 and again in February of [this year]. I'm sure we'll change it again many times. Reorganizations are expected around Microsoft"....Bill Gates (1996).
Organimi is a great org chart tool for planning reorganizations - online, private, flexible, and agile. Once you load your team roster, Organimi makes it easy to iterate, clone your current structure, and explore the options and alternatives.