Microsoft Dynamics 365 Sales is a customer relationship management software package developed by Microsoft. The current version is Dynamics 365. The name and licensing changed with the update from Dynamics 2016. Release History Microsoft CRM 1.2 Microsoft CRM 1.2 was released on December 8, 2003. Microsoft CRM 1.2 was not widely adopted by industry. It was not possible to create custom entities but there was a software development kit (SDK) available using SOAP and XML endpoints to interact with it. Microsoft Dynamics CRM 3.0 The second version was rebranded as Microsoft Dynamics 3.0 (version 2.0 was skipped entirely) to signify its inclusion within the Dynamics product family and was released on December 5, 2005. Notable updates over version 1.2 are the ease of creating customizations to CRM, the switch from using Crystal Reports to Microsoft SQL Reporting Services, and the ability to run on Windows Vista and Outlook 2007. Significant additions released later by Microsoft also allowed Dynamics CRM 3.0 to be accessed by various mobile devices and integration with Siebel Systems. This was the first version that saw reasonable take up by customers. You could create custom entities and (1xN) relations between the system/custom entities. Microsoft Dynamics CRM 4.0 Dynamics CRM 4.0 (a.k.a. Titan) was introduced in December 2007 (RTM build number 4.0.7333.3 Microsoft CRM build numbers from version 4.0 to version 8). It features multi-tenancy, improved reporting security, data importing, direct mail merging and support for newer technologies such as Windows Server 2008 and SQL Server 2008 (Update Rollup 4). Dynamics CRM 4.0 also implements CRM Online, a hosted solution that is offered directly by Microsoft. The multi-tenancy option also allows ISVs to offer hosted solutions to end customers as well. Dynamics CRM 4.0 is the first version of the product, which has seen significant take up in the market and passed the 1 million user mark in July 2009. Additional support for NxN relations was added, which solved a lot of 'in-between' entities. "Connections" were also introduced in favour of "Relations". The UI design was based on Office 2007 look and feel, with the same blue shading and round button as "start". Microsoft Dynamics CRM 2011 Dynamics CRM 2011 was released to open Beta in February 2010. It then went into Release Candidate stage in December 2010. The product was then released in February 2011 (build number 5.0.9688.583) Browsers such as Internet Explorer, Chrome and Firefox browsers