View, print, zoom, pan, and rotate 2D and 3D Cad Files (DWG, DXF, DWF,DXB). Convert between various document types (DXF, DWG, DWF, and DXB) and versions (r12, r13, r14, AutoCAD 2000, and AutoCAD 2004) and export to images (JPEG, BMP), and PDF files. Full support for drawing layouts is included. Users can select an "active" layout and then export it to PDF or image. Plot style file support allows for easy mapping of colored drawings to greyscales.