If you this file from a suspicious website (like a torrent or "free movie" site) and it is asking you to "download a codec" or "run a guide.exe" to view it, do not do so. This is a common way to spread malware.
However, if you are looking for a guide on how to this specific file type, here is what you need to know: 1. Why does it have two extensions (.mp4 and .mkv)? VID_20221216_110750_187.mp4.mkv
If you need the file to be a standard MP4 to use on a phone or TV, you can "remux" it (change the container without losing quality): If you this file from a suspicious website
: A free tool where you can drop the file and select the "MP4" preset to convert it. Why does it have two extensions (
This usually happens when a file is renamed or converted improperly. The computer will treat it as an because that is the final extension. MKV is a "container" format that can hold high-quality video, multiple audio tracks, and subtitles. 2. How to Play the File
If you this file from a suspicious website (like a torrent or "free movie" site) and it is asking you to "download a codec" or "run a guide.exe" to view it, do not do so. This is a common way to spread malware.
However, if you are looking for a guide on how to this specific file type, here is what you need to know: 1. Why does it have two extensions (.mp4 and .mkv)?
If you need the file to be a standard MP4 to use on a phone or TV, you can "remux" it (change the container without losing quality):
: A free tool where you can drop the file and select the "MP4" preset to convert it.
This usually happens when a file is renamed or converted improperly. The computer will treat it as an because that is the final extension. MKV is a "container" format that can hold high-quality video, multiple audio tracks, and subtitles. 2. How to Play the File