(n) Acronym for drawing exchange format, a nonproprietary CAD data format developed by Autodesk to facilitate the exchange of CAD-based graphic information. It has become a de facto neutral data exchange format for the microcomputer CAD industry.
Data eXchange Format. A CAD orientated data exchange format proposed by the manufacturers of AutoCad.
Data Exchange Format, a proprietary but widely used digital file format for describing 2D and 3D spatial data, developed by Autodesk Corporation