How to open Temporary file .--- files
Have you had trouble opening the --- file on your computer? What are --- files? We explain what they are and recommend software that we know will open them.
What is --- file?
Files with --- extension are known to be used by older version of Windows like MS DOS operating system. It was used as a temporary file format.
Temporary file description
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.
Suggested software to open --- file

MS-DOS
Old operating system by Microsoft dominant in 1980s

Microsoft Windows 3.x
Popular operating system used in early 90s
There are other --- filename extensions with the same .--- suffix
--- - Set of Microsoft backup file type
A --- file extension is related to some operating systems, developed by Microsoft. A --- file stores backup file set.