What is .m4v file extension?
The M4V video file format is developed by Apple Inc. This file format is very much similar to the common MP4 format, but might be copy-protected which requires authorized purchase from Apple iTunes store. M4V format is used for the videos downloaded from the Apple iTunes store such as movies, TV shows, music videos, etc. This file format is based on the MPEG-4 AVC (Advanced Video Coding) video compression and it is commonly used by iPod, iPhone, PlayStation Portable, etc. It is also used as the default video conversion format for Air Video Server dwelled on Mac.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.