The File Extensions Database

.MK3D File Extension

  • Developer by: Matroska
  • Category: Video Files
  • Format: Binary

What is an .MK3D file?

.MK3D is Matroska 3D Video File

Stereoscopic 3D video file created in the Matroska 3D (MK3D) format, which is used for storing 3D content; uses the standard .MKV container but includes a StereoMode field for the specific format of the enclosed 3D video (e.g., side by side (left eye is first), top-bottom (right eye is first), etc.).

Programs that open Matroska 3D Video File
CyberLink PowerDVD 17

How to solve problems with MK3D files

  • Associate the MK3D file extension with the correct application. On :
    Windows: Right click on any MK3D file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.MK3D files". Mac: Right click (or Ctrl-click) the MK3D 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 .MK3D is Matroska 3D Video File. Because only the current version supports the latest MK3D file format. Search, therefore, e.g. on the Matroska manufacturer website after an available .MK3D is Matroska 3D Video File update.
  • To make sure that your MK3D file is not corrupted or virus-infected, get the file again and scan it with antivirus software.