There is no documented method for decrypting P-files.' They also state that 'P-files are not intended as a security feature to prevent others from viewing the contents of your file.' Therefore, users who want to protect their code from unauthorized access should use other methods, such as licensing, encryption, or digital rights management. According to their documentation, 'P-files are obfuscated using a secret key that is unique to each MATLAB installation. The official answer from MathWorks, the developer of MATLAB, is no.