How to open COW files

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

What is a COW file?

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

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

Copy On Write disk image

Through our analysis of COW files, we know that one use of the format is Copy On Write disk image. 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.

Update info Upload example file

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!

Software that will open, convert or fix COW files

These apps are known to open certain types of COW files. Since many different programs may use COW files for different purposes, you may need to try a few of the apps to open your specific COW file.