The index is usually located at the end of the file (though it can be relocated to the front via "remuxing"). If you are streaming an MKV file over a network or playing a download that hasn't finished, the player may not have received the index yet. This is why partially downloaded MKVs often play but refuse to let you skip forward.
Because MKV indexes so many extra tracks (multiple audios/subtitles), the files are often larger than their MP4 counterparts. Device Native Support: mkv index
Knowing if you're fixing a video file , citing a leadership wiki , or buying office supplies will help me give you the exact steps. MKV Files Explained - Adobe The index is usually located at the end
If someone captured a live stream directly to MKV, the index may be incomplete. Live encoders often write clusters without updating the cues in real-time. Because MKV indexes so many extra tracks (multiple
