See the following table for the native CAD file formats you can open in Autodesk Navisworks without having the CAD applications installed on your machine.
| Format | Extension |
|---|---|
| Autodesk Navisworks | .nwd, .nwf, .nwc |
| Autodesk | .fbx |
| AutoCAD | .dwg, .dxf |
| CATIA V4 | .model, .session, .exp, .dlv3 |
| CATIA V5 | .CATPart, .CATProduct, .cgr |
| CIS/2 | .stp, .step |
| DWF | .dwf |
| IFC | .ifc |
| IGES | .igs, .iges, .ige |
| Inventor | .ipt, .iam,. ipj |
| JTOpen | .jt |
| MicroStation (J, V8, XM) | .dgn, .prp, .prw |
| NX | .prt |
| OBJ | .obj |
| Parasolid | .x_b, .x_t, .xmt_txt |
| PDS Design Review | .dri |
| Pro/ENGINEER | .prt, .asm, .g, .neu |
| Rhino | .3dm |
| RVM | .rvm |
| SAT | .sat, .sab, .smt, .smb |
| SketchUp | .skp |
| SmartPlant 3D | .vue |
| SolidWorks | .prt, .sldprt, .asm, .sldasm |
| STEP | .stp, .step, .stpz, .ste |
| STL | .stl |
| VRML | .wrl, .wrz |
| 3D Studio | .3ds, .prjv |