510d5019_should__Open__DWF___stressfree__Limitations
[Format] Standard 2D/3D CAD format (DXF, OpenDWG, OpenDGN) [Benefits] Broad software support Supports 2D and 3D data [Limitations] 
No intellectual property protection Conveys the entire digital model rather than a subset identified by the author
Why Autodesk should 'Open' DWF | stressfree
Limitations