WMV files use Microsoft's Advanced Systems Format (ASF) container format and are therefore very similar to ASF files, which is another file format developed by Microsoft.
ໄຟ WMV ໃຊ້ລະບົບແບບພິເສດ Format (ASF) ຮູບແບບພາຊະ Microsoft ແລະເພາະສະນັ້ນຈຶ່ງຄ້າຍຄືກັນກັບໄຟ ASF, ຊຶ່ງເປັນຮູບແບບເອກະສານອື່ນພັດທະນາໂດຍ Microsoft.