If you are looking for a "draft paper" (documentation or instructions) on how to handle or convert this specific file type, here are the most common technical procedures. 1. Renaming the File
: The industry standard for playing almost any file extension, including malformed ones. Amazing XXX.mkv.mp4
If the file was accidentally named with two extensions, your operating system might not know which program to use. : Rename the file to Amazing XXX.mp4 . To use as an MKV : Rename the file to Amazing XXX.mkv . If you are looking for a "draft paper"