M File Type

- The quick facts

What are M files and how to open them

Are you having problems opening a M file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a M file?

M files have multiple uses, and Objective-C Methods is one of them.

Objective-C Methods File

These files are source code files that contain class implementations written in the Objective-C programming language, usually using Apple Xcode on a Macintosh computer.

In C++, programmers use .cpp and .h files, where a .h header file contains the definition of a class of private and public methods and variables, and the .cpp file contains the actual implementation.

Objective-C takes it a step further, and separates .h files into .h and .m files. The .h header file contains all public methods of a class, and the .m file contains all private methods and data only accessible by the class implementation itself.

How to open M files

We have identified 3 M openers that are compatible with this specific type of M file.

Programs that open Objective-C Methods files

UltraEditUltraEditVerified
Notepad++Notepad++Verified
TextPadTextPadVerified

Last updated: June 29, 2022

All known file formats using extension .M

While Objective-C Methods File is a popular type of M-file, we know of 5 different uses of the .M extension. Different software may use files with the same extension for different types of data.

Mathematica Source Code File

The Mathematica software application also uses the .m file extension. This program uses the .m file extension on files containing functions and commands.

M opener for Windows

We have identified one M opener that is compatible with this specific type of M file.

MathematicaMathematicaVerified

Twist Mail-merge Script

Twist is a database for the Commodore Amiga, a home computer popular in the 1990s. Twist stored scripts used for mail merging in .M (merge) files.

While we have not verified the apps ourselves yet, our users have suggested 10 different M openers which you will find listed below.

More file formats using the M extension

Through our research of M files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • E Module/library
  • Maple Common Binary File

Various apps that use files with this extension

These apps are known to open certain types of M files. Remember, different programs may use M files for different purposes, so you may need to try out a few of them to be able to open your specific file.

jGRASPjGRASPUser submitted
MATLABMATLABUser submitted
ApossApossUser submitted
CEMToolCEMToolUser submitted
OctaveOctaveUser submitted
GOM PlayerGOM PlayerUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
aPOSaPOSUser submitted
KMPlayerKMPlayerUser submitted
Octave EditorOctave EditorUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about M file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.