The File Extensions Database

.3D4 File Extension

  • Category: 3D Image Files

What is an .3D4 file?

.3D4 is Stereo CAD-3D 2.0 Image File

3D image created by the second version of Atari's Stereo CAD-3D for storing three-dimensional objects; may contain up to 40 objects and includes the colors and lighting associated with the object.

More commonly seen with a .3D2 extension.

Programs that open Stereo CAD-3D 2.0 Image File

How to solve problems with 3D4 files

  • Associate the 3D4 file extension with the correct application. On :
    Windows: Right click on any 3D4 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.3D4 files". Mac: Right click (or Ctrl-click) the 3D4 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .3D4 is Stereo CAD-3D 2.0 Image File. Because only the current version supports the latest 3D4 file format. Search, therefore, e.g. on the N/A manufacturer website after an available .3D4 is Stereo CAD-3D 2.0 Image File update.
  • To make sure that your 3D4 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.