DWFX field Leave feedback On this page DWFX field See Also DWFX field DWFX file is a 2D or 3D drawing created with Autodesk CAD software. It is saved in the DWFx format, which is similar to a . DWF file, but is formatted using Microsoft’s XML Paper Specification (XPS). See Also class CadFileType Was this page helpful? Not really Yes, thanks Any additional feedback you'd like to share with us? Skip Send Please tell us how we can improve this page. Skip Send Thank you for your feedback! We value your opinion. Your feedback will help us improve our documentation.