It has also removed the ability to password protect DWG files. AutoCAD 2016 will continue using the 2013 DWG file type. Surprisingly it has not followed the three-release DWG file type update. Back June 17th, 2015 Introducing AutoCAD 2016ĪutoCAD® 2016 is here and it has brought with it many updates to existing commands, tools, settings, and features.