How to open CEF files
Did your computer fail to open a CEF file? We explain what CEF files are and recommend software that we know can open or convert your files.
What is a CEF file?
CEF files are Cereal Encrypted File files, which you can read more about below.
The CEF file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a CEF opener may not be able to open all kinds of CEF files. In this case, though, we only know of one specific use.
Cereal Encrypted File
Through our analysis of CEF files, we know that one use of the format is Cereal Encrypted File. 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.
CEF file openers, viewers, etc.
These apps are known to open certain types of CEF files. Remember, different programs may use CEF files for different purposes, so you may need to try out a few of them to be able to open your specific file.