File Extension Library


.--- File Extension

  • Developer by: Microsoft Corporation
  • Category: Temporary Files

What are .--- files and how to open them?

Can't open .--- file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .--- file.

What is a .--- file extension?

.--- file extension is created by Microsoft Corporation. .--- has been classified as Temporary Files.

.--- 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 fix problems with .--- files

  1. You need to update the application that you normally use to open .--- files. Only the latest version of the software supports the current .--- file format
  2. You need to check the .--- file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)