Are you having this specific file, or are you looking to convert it to a different format?
Older files or specific encodes sometimes use "header stripping," which causes playback issues on certain hardware. You can use tools like MKVToolNix to re-mux the file into a clean, standard format. Troubleshooting Playback Errors Twyo-004.mkvl
Open the file using a hex editor. If the first few bytes contain 45 DF A3 A3 (the standard EBML header), it is a Matroska video file and should be renamed. If it reads as plain ASCII text, it is a system log or index string. Are you having this specific file, or are