: The .mkv extension stands for Matroska Video, a container that can hold multiple video, audio, and subtitle tracks.
If you need a detailed report on the file's resolution, frame rate, or codecs, the best tool is . Download and open MediaInfo . Drag and drop DSC_3783.mkv into the application. DSC_3783.mkv
Are you having this specific file, or were you trying to extract data from it? Can't find ".mkv" videos - Microsoft Q&A DSC_3783.mkv