Just to be clear - I'm hoping for something that gets to the point quickly.
Most of the MS articles I've seen seem to be a 50,000 foot response. E.g. How do I replace the turn rod on a Wankel rotary engine. Article - the ancient Greeks used steam power to move simple automations when coins were deposited by worshippers - a page later, during Ming dynasty used combustion based machinery... Must resist overwhelming urge to kill myself or the person who wrote this article...
What I'd like is a simple article - using your subscription 365 for the company create a central storage location using... Create groups in... Give rights to the shared subfolders by.... (insert image of actual interface) Your total storage is based on the number of x 365 subcriptions and the total central shared location holds z Gigabytes based on x subscriptions times y default gigabytes = z total gigabytes.
Cloud based AD gives you these features but not these features of an on prem AD server. This is how to set up an azure or cloud ad server...