Dynamics 365 availability
Dynamics 365 was formally released at the Microsoft Summit in Tampa on 11 October 2016.
The Enterprise edition of Dynamics 365 was available worldwide in Autumn 2016.
The Dynamics 365 Business edition is available in the same timeframe in the US and Canada, with a phased roll out in 2017 to additional geographies such as UK. The public preview of Dynamics 365 for Financials (Microsoft Dynamics 365 for Finance and Operations, Business Edition) is now LIVE and GENERAL AVAILABLE in the UK in Autumn 2017.