However, unprotected M4V files may be recognized and played by other video players by changing the file extension from ."m4v" to ."mp4."
ຢ່າງໃດກໍຕາມ, ໄຟລ໌ M4V ປ້ອງກັນອາດຈະໄດ້ຮັບການຍອມຮັບແລະມີຄົນຫຼິ້ນໂດຍຜູ້ນວິດີໂອອື່ນໆໂດຍການປ່ຽນນາມສະກຸນໄຟລ໌ຈາກ "ໄຟ m4v" ກັບ ."mp4."