Utöver att öppna sedvanliga filformat .doc, .pdf, .jpg, .bmp etc kan vi genom CAD program kommunicera följande filformat:
Rhino 3 3D Models ( .3dm)
Rhino 2 3D Models ( .3dm)
IGES ( .igs, .iges)
STEP ( .step)
Wawefront ( .obj)
AutoCAD drawingfile ( .dwg)
AutoCAD exchange file ( .dxf)
3D Studio ( .3ds)
ACIS ( .sat)
Parasolid ( .x_t)
LightWawe ( .Iwo)
Raw Triangles ( .raw)
POV-Ray Mesh ( .pov)
Moray UDO ( .udo)
Stereolithography ( .stl)
VRML ( .wrl, .wrml)
Adobe Illustrator ( .ai)
Windows Metafile ( .wmf)
RenderMan ( .rib)
Object Properties ( .csv)
VDA ( .vda)
Points File ( .txt)
SLC ( .slc)
GHS Geometry file ( .gf)
GHS Part Maker file ( .pm)
Viewpoint ( .mts, .mtx)
XGL ( .xgl)