The File Extensions Database


.--- File Extension

  • Developer by: Microsoft Corporation
  • Category: Temporary Files

What is an .--- file?

.--- is Temporary file

The --- file extension is used probably by older versions of Windows and MS DOS operating systems. Temporary 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. Used by various applications.


How to open:

The --- extension file is not possible to open.

How to convert:

Files with --- extension are not convertable.

How to solve problems with --- files

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