Evercore analysts estimated that Microsoft's share price would reach US$109 by 2020, leading to a market cap of over US$1 trillion. Surprisingly enough, Windows and Xbox will not be the main revenue generators, Microsoft relying instead on the 365 cloud computing platform and the Azure Stack solution.
https://www.notebookcheck.net/Microsoft-to-reach-US-1-trillion-market-cap-by-2020.270548.0.html