How to open CJM files

Did your computer fail to open a CJM file? We explain what CJM files are and recommend software that we know can open or convert your files.

What is a CJM file?

The CJM file extension indicates to your device which app can open the file. However, different programs may use the CJM file type for different types of data.

We are aware of 1 different use of the CJM extension, which you can read more about below.

TheC64 Config/Joystick/Mode settings

Through our analysis of CJM files, we know that one use of the format is TheC64 Config/Joystick/Mode settings. 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.

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