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 |
| ACIS SAT (to V7) | .sat |
| CIS/2 | .stp, .step |
| DWF | .dwf |
| IFC | .ifc |
| IGES | .igs, .iges |
| Informatix MicroGDS | .man, .cv7 |
| Inventor | .ipt, .iam,. ipj |
| JTOpen | .jt |
| MicroStation (J, V8, XM) | .dgn, .prp, .prw |
| Parasolid | .x_b |
| PDS Design Review | .dri |
| RVM | .rvm |
| SketchUp | .skp |
| STEP | .stp, .step |
| STL | .stl |
| VRML | .wrl, .wrz |
| 3D Studio | .3ds, .prjv |