File Extension Library


.DPJ File Extension

  • Developer by: Delft Spline Systems
  • Category: 3d graphics, CAD-CAM-CAE Files

What is an .DPJ file?

.DPJ file extension is created by Delft Spline Systems. .DPJ has been classified as 3d graphics, CAD-CAM-CAE Files.

.DPJ is DeskProto project

File extension dpj seems to be best known for its use in projects created and saved in DeskProto 3D CAM software by Delft Spline Systems.

A .dpj file contains saved work-in-progress CAM project.


How to open:

As far as we know, this type of .dpj files may only be used in DeskProto.

How to convert:

Projects can be typically exported to some finished CAD/CAM file or exchange format.

How to Open .DPJ file on different platforms

Open .DPJ File on Windows

  • Right-click a .DPJ
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .DPJ file and Select check box "Always use this app to open .DPJ files" Press "Ok"

Open .DPJ File on Mac

  • Right-click (or Ctrl + Left-click) the .DPJ file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .DPJ File on Linux

Right click on the .DPJ file, choose "Open with" and select a program from the list above

Open .DPJ File on iPhone

Select a file. If you don't see an application to open the .DPJ file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .DPJ File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .DPJ files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .DPJ files

  1. You need to update the application that you normally use to open .DPJ files. Only the latest version of the software supports the current .DPJ file format
  2. You need to check the .DPJ file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)