M4P is an iTunes Music Store Audio File. M4P file was introduced by Apple. It is associated with iTunes; iTunes is a digital media player program for playing digital audio and video files. One can authorize his/her computer using Apple iTunes to play a protected M4P file.
File extension errors generally occur when the appropriate program is not installed in your system. Scan your system to identify and fix M4P file extension errors.
Trouble opening M4P files on Microsoft Windows?
Advanced File Optimizer
Need help opening a M4P file? Advanced File Optimizer will do this for you. Opening a M4P file only takes a few clicks and is very easy, even for novice users.
Compatible with Window XP, Vista, 7, 8, 8.1 and 10