The File Extensions Database


.MTL File Extension

  • Category: 3D Image Files
  • Format: Text

What is an .MTL file?

.MTL is OBJ Material File

Material settings file used by 3D object editing applications; stored with an .OBJ file and describes how textures are applied to the object; includes the name of texture bitmap files as well as the 3D positioning of the textures.

MTL files are stored in a plain text format and can be viewed with a text editor.

Programs that open OBJ Material File
Windows
Adobe Photoshop CC 2019
Autodesk Maya 2018
MeshLab
Mac
Adobe Photoshop CC 2019
Autodesk Maya 2018
IMSI TurboCAD Deluxe
Cheetah3D
MeshLab
Linux
Adobe Photoshop CC 2019
Autodesk Maya 2018
MeshLab

How to solve problems with MTL files

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