I have a problem to my usb sandisk cruzer, i have a movie in my usb i try to watch it trough my dvd but it's unsupported format..
There's something called a codec. These are like translators that allow media players to understand the media on the disk. Your DVD player lacks the proper codecs that allows it to understand that format.
What is important here is the file and the player. Let's say it's a MP4. It most likely should be able to play it. What about ogg? Maybe not. No clue which file that is and even if we did the DVD player most likely can't be updated. If it can, SOMEONE please correct me. The USB could be plugged into your computer and you could use software based media player like VLC https://www.videolan.org/vlc/ or MPC HC https://mpc-hc.org/downloads/ that are PACKED with many many translators(codecs) and can play MOST every movie or music file.