It is a timeline that records historical milestones and a variety of achievement of the company from 2016 to 2019.In 2016,it announced the merger of its PC and Xbox divisions.It showcased intune for education at the BETT 2017.Till 2019,it said it would offer its cyber security service accountguard to 12 new markets in europe including Germany, France and Spain. The timeline is a list displayed in chronological order. It is usually a graphic design, displaying a long bar with a date parallel to it, usually a contemporaneous event. Click for more information.