.PRT File Extension

File Type:
CADKEY Part File

Having trouble opening .prt extension? Don't panic! This page explains what prt files are as well as suggests programs you may use to open prt files. You can download these programs through this page.

What is a PRT file?

Prt file extension has CADKEY Part file type, developed by Kubotek, which is associated with the "cad files" category.

Typically created with CADKEY, the file provides layouts for both the model and the drawing. It saves model geometry in wireframe, annotation, surface, vector, plus dimensioning, and other data.
CADKEY’s Drawing Layout Mode provides defined model geometry and section views. It may be also used for creating two-dimensional wireframe geometry.
KeyCreator involves .CKD files for saving designs.


To learn how you can open the given file, read the information below.

prt file icon
File Type:
CADKEY Part File
CAD Files

How to open PRT file?

Double click the prt file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .prt extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the prt extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the prt file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open PRT files

  • Windows Windows
    • Kubotek CADKEY Kubotek CADKEY
    • Kubotek Spectrum Kubotek Spectrum

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the prt file as well. Download Universal File Viewer for your OS.

Download for Win
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Download for Mac
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