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PRT SLDPRT
Not possible

Convert PRT to SLDPRT

Can you convert PRT to SLDPRT?
Verified by Adam B.· reviewed by FE Editorial ·updated Jul 27, 2026
QUICK ANSWER
Is it possible to convert PRT to SLDPRT?
No - not a direct conversion.

Export the Creo .prt to STEP first (using PTC Creo, CAD Assistant, or Autodesk Fusion 360), then open the STEP file in SolidWorks via File > Open. The STEP import gives you an editable solid body in SolidWorks, but the original Creo parametric feature history does not transfer.

No direct path
Also to SLDPRT: IPT · SLDASM · X_T

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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Why convert PRT to SLDPRT?

Both Creo and SolidWorks store a parametric feature tree - the full construction history of sketches, extrudes, and fillets that built the part. Creo uses PTC's proprietary kernel while SolidWorks uses Parasolid; the two are structurally incompatible and no tool can remap one feature tree into the other. Note that Siemens NX also saves parts as .prt using Parasolid - the same kernel SolidWorks runs on - so an NX .prt can sometimes open in SolidWorks, but a Creo .prt cannot.

How to convert PRT to SLDPRT

SolidWorks APP

Export the Creo .prt to STEP first using PTC Creo, CAD Assistant, or Autodesk Fusion 360, then open the .step file in SolidWorks via File > Open to get an editable solid body.

CrossManager APP

Use CrossManager to translate the Creo .prt through a neutral format that SolidWorks can open, bypassing the need for a Creo license in the translation step.

Programs that convert PRT

SolidWorks
CrossManager
EnSuite

About these formats

.PRT PTC Creo / Pro-ENGINEER Part File

A PRT file is a single 3D part created by PTC Creo Parametric (formerly Pro/ENGINEER). To open it without buying Creo, use the free PTC Creo View or eDrawings viewer. To move the part to…

Open .PRT details →
.SLDPRT SOLIDWORKS Part File

A SLDPRT file is a single 3D part designed in SOLIDWORKS, the CAD application from Dassault Systèmes. To view it without buying SOLIDWORKS, use the free eDrawings Viewer (Windows, Mac, iOS,…

Open .SLDPRT details →

Quality & what to watch

  • The only viable path is through a neutral format such as STEP or IGES - all geometry transfers accurately, but the parametric feature tree does not survive.
  • SolidWorks can open Siemens NX .prt files (which use Parasolid) but cannot open Creo .prt files (which use PTC's own kernel) - these are different formats sharing the same extension.
  • The resulting SolidWorks solid body can be measured, sectioned, and referenced, but cannot be edited by changing Creo sketch dimensions.

Frequently asked questions

Can SolidWorks open a Creo .prt file directly?
No - SolidWorks does not have a native Creo importer; the file must go through STEP or IGES first.
Will the feature history survive through STEP?
No - STEP carries the resulting solid geometry only; the parametric construction history is lost in the export.
Why can some .prt files open in SolidWorks but not mine?
SolidWorks can open Siemens NX .prt files because NX uses the Parasolid kernel; Creo .prt files use PTC's own kernel and are not compatible.
Do I need a Creo license to export to STEP?
No - CAD Assistant (free) and Autodesk Fusion 360 (free personal-use tier) can both read Creo .prt files and export STEP for import into SolidWorks.