Question: what are dwg file extensions?
Answer: | DWG File Extension / Format. Native to AutoCAD, Autodesk's computer-aided design (CAD) suite, DWG is both a file format and a CAD operating environment. ... DWG files can store 2D and 3D design data and metadata. Besides AutoCAD, DWG files can also be opened in IntelliCAD, Open Design Alliance applications, and Caddie.