| .unt |
AutoCAD Unit Definition File |
| .upf |
MicroStation User Preferences File |
| .uld |
Unified Luminaire Data File |
| .vtf |
Valve Texture File |
| .vwx |
Vectorworks Design File |
| .vnd |
Type3 Design File |
| .vet |
Lectra Cutter's Must File |
| .wdf |
Workshare Compare DeltaFile |
| .wdp |
Windows Media Photo File |
| .xise |
Xilinx ISE Project File |
| .x_t |
Parasolid Model Part File |
| .x_b |
Parasolid Model Part File |
| .xv3 |
Lattice XVL Geometry File |
| .slc |
3D Systems SLiCe countour data |
| .imw |
Imageware Surfacer 3D CAD surface geometry file |
| .kss |
FabTrol MRP template |
| .ldm |
VolumeViz multi-resolution volume image |
| .bs |
Ball and Stick chemical modeller |
| .dch |
DipTrace schematics |
| .ems |
eMachineShop CAD design |
| .anl |
Alphacam nest list |
| .3pi |
3rd PlanIt data |
| .dgr |
MicroStation CAD design |
| .lp |
Lightscape 3D object |