This report will show you active users by service (product) over time. The primary purpose of this report is to drive end user adoption, which helps you get the most value from Office 365 services you've purchased. (Of course, this benefits Microsoft too, so it's a win-win.)
The following chart shows a pretty typical adoption pattern, where use of Office and email begin fairly quickly as users are migrated onto the platform. Once folks are comfortable in Outlook and any installation and activation issues are addressed, then training on platforms like Skype for Business and Exchange starts having a positive impact on adoption for those services too. We can see that trend beginning in the right-hand side of the chart.
Office 365 ...
