M4 file written for Unix macro processor m4. M4 files contain macros and text. Macros are expanded when processed by m4. M4 files often used for configuration files.
Over 400 file formats can be opened with File Viewer Plus. Programs that open M4 files are text editors, m4, Unix, and GLPK.
M4 file belongs to Developer Files category. This category contains 1205 other files. M4 file format created by MacroMates Ltd. 4 other programs can also open this file type.
Main problem with M4 files is incorrect association with programs. This causes M4 files to open in unsupported apps. To fix, double-click M4 file to open it.
If M4 file does not open, may lack software that supports format. Download and install app from table that supports M4 files. Apps that can open M4 files are listed.
Be cautious with unknown .m4 files. They may contain harmful software. M4 extension sometimes given incorrectly. We found .j4 a similar extension.
M4 files store preprocessor macros from M4 software. Use M4 to work with M4 files. M4 files cannot be converted to other formats.
