The Dynamics 365 (On-premises) Licensing Guide is available.
It’s got useful information on the new offerings available, as well as upgrade and downgrade paths, and how you can transition to the cloud. As usual, find this guide at http://bit.ly/MSLicensingGuides.
Microsoft Dynamics 365 was released on 1 November 2016. It’s a single online service replacing CRM Online and AX Online and it’s all change for the licensing.
There are two editions: Business and Enterprise, and you can find excellent Microsoft Licensing Guides giving the low-down on all the new licence types here: http://bit.ly/MSLicensingGuides.