.M4 File Extension

.M4 File Extension

Macro Processor Library

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Category Developer Files
Format Text

What is an M4 file?

File written for m4, a Unix macro processor that is included with many Unix and Linux distributions; contains macros in addition to other text, but the macros are expanded when processed by m4; often used for setting up configuration files.

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Programs that open M4 files

Windows
Linux
m4
Updated August 24, 2015

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