Microsoft Dynamics AX is one of Microsoft’s Enterprise Resource Planning software products. It is part of the Microsoft Dynamics family. The early versions (from 1.0 to 3.0) were called Axapta, while the later versions (from 3.0 SP6 to AX 2012) are called Dynamics AX. This tag refers to the successor of AX 2012, also known as Dynamics 365 for Finance and Operations.