Pro-Engineer is a CAD system developed by PTC (Parametric Technology Corp.). Successive versions are Pro-Engineer, Wildfire and Creo.

Pro-Engineer file extensions are
.prt (Part)
.asm (Assembly)
.drw (Drawing)
.frm (drawing format file)
.mfg (manufacturing)
.lay (layouts)
.sec (sketch)
.dgm (diagram)
.rep (report)
.mrk (markup)
.cem (schema)
.int (geometry interface previous R13)
.g (granite interface)
.neu (neutral interface)
.ol, .ed, .edz, .pvs, .pvz (Creo View)

Pro-Engineer supported native or neutral formats are STL, IGES, DXF, DWG, STEP, MEDUSA, Parasolid, ECAD, Rhino, Inventor, ACIS, VDA, ICEM.

CAD Interop distributes several Softwares to view, translate and validate Pro-Engineer or Creo files. Find below the list of our solutions compatible with Pro-Engineer or Creo:

3DViewStation CAD Translation Automation Server
3DViewStation Desktop for CAD visualization
3DViewStation for CAD visualization in Virtual Reality
Associative Drawing Translation with Proficiency
CAD Reuse for CAE with CADfix DX
CAD to mesh Simplification for VR/AR/MR with CADfix VIZ
CAD Translation, Healing and Repair with CADfix DX
Controlled & secured sharing of your CAD data without translation with VisShare
Online CAD visualization with 3DViewStation WebViewer
Proficiency feature-based CAD conversion
Simplify large CAD assemblies with CADfix PPS