MTL File Extension

MTL file icon

OBJ Material Format

What is a MTL file?

Files with the MTL extension are specifically tied to OBJ Material Format, a Graphics Files type, and there are 556 files in this category.

MTL files are compatible with various operating systems, including Windows and Mac OS. When working with MTL files, you can rely on 3 programs, including Adobe Photoshop, Autodesk Maya and TurboCAD.

File Signature

HEX code: 6E 65 77 6D 74 6C 20. ASCII code: newmtl.

How to open a MTL file?

If you can’t open a MTL file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.

Adobe Photoshop, Autodesk Maya and TurboCAD are among the most widely used programs for handling MTL files. To install the most up-to-date edition of Adobe Photoshop, visit the official Adobe website. You can download the build that works across all operating systems.

After installing, your OS should instantly open MTL files with Adobe Photoshop.

Setting Adobe Photoshop as default MTL viewer

Change the default app for a file type in Mac

  1. Initiate a right click or use Control + left click on the desired MTL file to open a menu where you can select various actions;
  2. Choose "Open in Application" and click "Other";
  3. Look towards the bottom of the window, where you will find the "Enable" menu. "Recommended programs" will be the default selection;
  4. Choose "All Programs" in this menu and search for Adobe Photoshop. Check the box next to "Always open in app" to set it as the default option.

Change default programs in Windows

  1. Take the first step by right-clicking on your MTL file. Next, select "Open With" and then choose "Choose another app" from the available options;
  2. Choose Adobe Photoshop from the available applications listed in the pop-up window to set it as the default application to open your MTL file;
  3. Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.

Tips and tricks to solve problems with MTL files

Problematic MTL files can usually be resolved by making small changes in your software. See the tips below to help fix common issues.

Are there any techniques or tools available to repair a damaged MTL file?

In a data recovery program, open the damaged MTL file and select the "Repair" menu option. Wait for the recovery process to finish as it will automatically restore the damaged graphics files.

How do I know if my MTL file has been damaged?

The signs of corrupted MTL graphics files can manifest as:

  • Error alerts occur when actions are performed on the file;
  • The file encounters problems during the opening process or shows error indications;
  • An unexplained increase in the size of the MTL file;
  • The file causes Adobe Photoshop or other software to hang or crash during various operations;

What factors contribute to Adobe Photoshop crash?

Lack of software updates is a possible reason behind Adobe Photoshop crash. Keep your Adobe products up to date by installing the latest updates.

Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.

Convert files to and from MTL

When a MTL file is not easy to work with, converting it to formats like MA, MB or other comparable types may help.

It is important to understand that converting a MTL file might limit certain functions, but this conversion is usually reversible.

Convert MTL to other file formats