An m4 file extension is related to the M4 program. An m4 file stores preprocessor macro.

Detailed description

Software that open m4 file

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M4 file extension - M4 preprocessor macro

What is m4 file? How to open m4 files?

File type specification:

Source code and script file type icon Source code and script file type

The m4 file extension associated with the M4, a general purpose macro processor designed by Brian Kernighan and Dennis Ritchie.

The m4 file stores preprocessor macro from the M4 software.

The default software associated to open m4 file:

GNU Project logoGLPK  Linux/Unix software

Company or developer:
GNU Project

The GLPK (GNU Linear Programming Kit) package is intended for solving large-scale linear programming (LP), mixed integer programming (MIP), and other related problems. It is a set of routines written in ANSI C and organized in the form of a callable library.

Unix icon

The Open Group logoUnix  Linux/Unix software

Company or developer:
The Open Group

A multi-tasking operating system for various platforms, the first version of UNIX was released in 1969. It is developed by AT&T as well as various commercial vendors, universities and non-profit organizations. Traditional Original Unix systems have characteristics of Version 7 Unix or UNIX System V. Unix Specification have Mac OS X, Mac OS X Server, Solaris, AIX, HP/UX, z/OS etc. Other systems, such as Linux and BSD are called Unix-like or Unix system-like.

Help how to open:

Use M4 to work with *.m4 files.

How to convert:

As far as we know, this .m4 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

File identification strings:

HEX code: 64 6E 6C
ASCII code: dnl

Related links:

m4 (computer language)

List of recommended software applications associated to the .m4 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open m4 file, edit m4 file, convert m4 file, view m4 file, play m4 file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with m4 file - M4 preprocessor macro

Click on the software link for more information about GLPK. GLPK uses m4 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).


Main software associated with m4 file by default:
Unix small icon Unix

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