A dwg file extension is related to the BravoDRAFT an old CAD tool. A dwg file stores CAD drawing. It is not compatible with AutoCAD DWG format.
There is one other file type using
the DWG file extension!
.dwg - AutoCAD drawing [common]
DWG file extension - BravoDRAFT detailer data
What is dwg file? How to open dwg files?
File type specification:
The dwg file extension is associated with old CAD application called BravoDRAFT.
Although the program was using the DWG file extension for its CAD format, its not format based on AutoCAD and opening BravoDRAFT's .dwg files in other CAD programs is very difficult of not impossible task.
BravoDRAFT is no longer sold or supported application.
This dwg file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.