File extension .M
Full Name | Developer | Category |
---|---|---|
Objective-C Language Source Format | Apple | Developer Files |
The .M file is the source code for a program written in Objective-C language. It is saved as a text file and can be opened in any text editor such as Notepad, TextEdit, etc. Most .M files are stored in the root folder of an Xcode project and provide basic functions that other code files use to complete their tasks.
Objective-C Code
The content of an .M file is code written in the Objective-C language. The syntax closely resembles that of the C programming language with additional features and classes to aid in application development. This language can be used to develop applications for the Apple OS X platform, iOS platform, and the literal68 platform. Applications written in Objective-C are compiled into intermediate byte codes or machine codes using the Apple Xcode development environment.
File Type Associations
The .M extension is associated with Objective-C programming language and is not typically changed or converted. This type of file should be found in the root of a project directory and is unlikely to be saved outside of an Xcode project directory. This format is generally opened by text editors and debugged using compiler programs like Xcode for the Apple platforms such as OS X and iOS.
Similar Extensions
Other files related to this format but used in other programming languages include .C, .CPP, and .H.
Programs for WINDOWS system
Programs for LINUX system
After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .M) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .M extension.
When choosing the software we can select the system to use this software every time.
Remember!
Using it for the first time it is good to check whether the .M file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .M extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .M extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .M file. Sometimes you have to repeat the operation several times.
Other instructions
If none of the programs listed by us to work with the .M file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.
In the vast majority of cases you will find the program dedicated to support the .M file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .M file) will be extended to the maximum.
It is also good to check
- if the .M file has no errors
- or if it has been copied (or downloaded by the browser) thoroughly
Author’s guidelines

Mr B. Adam
Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.
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