How to block or disable Office 365 Services
We don’t have any clear mechanism to disable POWER APP and MS FLOW from the ADMIN Centre of Office 365, as MS as moved these two services under E 4 license

Demystifying Office 365 Groups - Part 2
This article is a continuation of Demystifying Office 365 Groups - Part 1. This post covers the details related to Syncing Office 365 groups to On Premises Server and integration of Planner

Demystifying Office 365 Groups - Part 1
Office 365 Group is a service that enables teams to come together and get the work done by establishing a single team identity across Office 365 apps including Outlook, OneDrive for Business, OneNote, Skype for Business