DWG

DWG (AutoCAD Drawing) is the native binary file format for AutoDesk CAD products (AutoCAD, etc.).

Identifiers
Below is a list of DWG versions as identified with PRONOM, but more research is needed. Versions numbers reference

Resources

 * Wikipedia page on DWG
 * Open Design Alliance's specification on DWG
 * LibreDWG, GNU source code to read/write DWG files
 * Sample files directly from AutoDesk
 * AutoCAD version history
 * AutoCAD 2021 Templates