File Extension Library


.DEP4 File Extension

  • Category: Various data Files

What is an .DEP4 file?

.DEP4 file extension has been classified as Various data Files.

.DEP4 is Data Exchange Protocol detailing data

The dep4 file extension is used for one of the Data Exchange Protocol files. The data exchange protocols (DEP) define logical sets of the complete data at defined stages in the process, from analysis through design and fabrication.

The dep4 file contains detailing data. 

Seems like it was used in the past in some 3D engineering software.

.DEP4 file format is deprecated and this file format is no longer supported.

Currently, .DEP4 file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

How to Open .DEP4 file on different platforms

Open .DEP4 File on Windows

  • Right-click a .DEP4
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .DEP4 file and Select check box "Always use this app to open .DEP4 files" Press "Ok"

Open .DEP4 File on Mac

  • Right-click (or Ctrl + Left-click) the .DEP4 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 .DEP4 File on Linux

Right click on the .DEP4 file, choose "Open with" and select a program from the list above

Open .DEP4 File on iPhone

Select a file. If you don't see an application to open the .DEP4 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 .DEP4 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 .DEP4 files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .DEP4 files

  1. You need to update the application that you normally use to open .DEP4 files. Only the latest version of the software supports the current .DEP4 file format
  2. You need to check the .DEP4 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)