Microsoft Dynamics GP is a mid-market business accounting software or ERP software package marketed in North and South America, UK and Ireland, the Middle East, Singapore, Australia and New Zealand. It is used in many additional countries with partner supported localizations. It uses either Microsoft SQL Server 2005, 2008, 2012, 2014 or 2016 to store data. It is one of four accounting packages acquired by Microsoft that now share the Microsoft Dynamics Business Solutions brand. Dynamics GP is written in a language called Dexterity.