C4M File

What are C4M files and how to open them

Are you having problems opening a C4M file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your C4M files.

What is a C4M file?

C4M files have multiple uses, and 16bit COM Executable Com4Mail is one of them. Read more about the other uses further down the page.

16bit COM Executable Com4Mail

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open C4M files

Important: Different programs may use files with the C4M file extension for different purposes, so unless you are sure which format your C4M file is, you may need to try a few different programs.

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!

Last updated: May 19, 2024

All known file formats using extension .C4M

While 16bit COM Executable Com4Mail is a popular type of C4M-file, we know of 2 different uses of the .C4M file extension. Different software may use files with the same extension for different types of data.

Clonk Material Definition

We know that one C4M format is Clonk Material Definition. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

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!

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 C4M file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.