DWG FastView is a viewer for CAD files that lets you open multiple 2D/3D drawings and get faster response when performing zoom, pan, highlight objects, control layers, arrange drawing windows, full screen, switch model and layout space, arrange plot settings, and much more.The program offers full control over layers, you can turn layers on/off and lock/unlock or freezer layers. You can zoom, pan and magnify parts of the drawing, view attached drawing references and highlight object information.DWG FastView can open .dwg/.dxf versions R14 to 2015as well as .dws Drawing Standard and .dwt Drawing template files.