Office 365 is five years old...

Five years ago (June 28, 2011), Steve Ballmer launched Office 365 with much fanfare at an event in New York City. Microsoft needed to revamp its tired cloud offering because the much-maligned Business Productivity Online Services (BPOS) never met the required bar in terms of functionality, reliability, and performance. Now, well, it's quite a different matter because Office 365 has proven to be such a success. https://www.itunity.com/article/years-office-365-prospers-3430