C4M File - opening and understanding

Did your computer fail to open a C4M file? We explain what they are used for and recommend software that we know can open or otherwise handle your .C4M files.

What is a C4M file?

A .C4M file is a Clonk Material definition file. Through our analysis of C4M files, we know that one use of the format is Clonk Material definition. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open C4M files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension C4M for different purposes.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Suggest another file format using extension C4M

While we know of one file format using the .C4M file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .C4M file.