The Dynamics 365 User Group (DUG) has since 1995 been the online community for users of Microsoft Dynamics NAV (Navision), AX (Axapta), GP (Great Plains), SL (Solomon) and CRM, now Microsoft Dynamics 365 Business Central, for Finance and Operations, for Sales and a lot more. When founded in 1995 the name was Navision Online User Group (NOLUG / www.navision.net), later after Microsoft acquired Navision, then name was first changed to Microsoft Business Solutions User Group (MBSOnline.org) later to the Dynamics User Group. Today the user groups has over 165,000 members (fall 2013).