DWG vs DXF — What's the Difference and When to Use Each Format
DWG and DXF come from the same software house and both describe 2D geometry, but they are not interchangeable. DWG is AutoCAD’s native binary storage format. DXF is a text-based exchange format designed so that non-Autodesk software can read AutoCAD data. That distinction has practical consequences for every engineer who exports flat patterns, sends files to fabricators, or receives drawings from a customer. What DWG Actually Is DWG was created by Mike Riddle in 1982, predating AutoCAD itself. Autodesk acquired the format when they acquired the early Interact CAD program. It is a binary file format — you cannot open it in a text editor and make sense of it. The internal structure has changed with every major AutoCAD release: ...