The File Extensions Database


.TMT File Extension

  • Category: Temporary Files

What is an .TMT file?

.TMT is Temporary file

File extension tmt is sometimes used for temporary files. These files may be created by computer programs for a variety of purposes; principally when a program cannot allocate enough memory for its tasks, when the program is working on data bigger than architecture's address space, or as a primitive form of inter-process communication.


How to open:

You typically cannot open temporary files manually.

How to convert:

Temporary files are usually not meant to be converted to anything else and as such, it is not possible.

How to solve problems with TMT files

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