How to open CFOSSPEED files

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

What is a CFOSSPEED file?

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

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

cFosSpeed registration key

Through our analysis of CFOSSPEED files, we know that one use of the format is cFosSpeed registration key. 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!

Software that will open, convert or fix CFOSSPEED files

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

XFast LANXFast LANUser submitted
We have not verified any programs that we know for certain can work with CFOSSPEED-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with CFOSSPEED-files. If you know one, please use the Suggest link below and tell us about it!