M4V is the common but non-standard use of the MPEG-4 file extensions. It is due to the popularity of Apple's iPod and the iTunes Store. MPEG-4 is a multimedia container format. It is most commonly used to store digital audio and digital video streams, but can also be used to store other data such as subtitles and still images. The official filename extension for MPEG-4 *.mp4, thus the container format is often referred to simply as MP4.
As we all known, M4V is used in Apple iTunes and iPod. It's the format iTunes uses to distribute its video content. It is basically a .mp4 file with the attached DRM.
So if you want to play m4v videos freely without DRM protection, you have to convert m4v video to other unprotected video formats. And what you need is M4V Converter Plus. It can help you convert DRM m4v movies to other video formats for various devices. Thus you can enjoy the videos you bought or rent from iTunes store anywhere freely.
M4V Converter Plus is a professional DRM removal tool designed to convert m4v videos to QuickTime MOV, iPod, iPhone format in high speed and with great quality. It can also convert any video files in your iTunes.
Download M4V Converter Plus on your Mac, install and launch it. You can click Add Movies button to import M4V video to the application.
Click Convert to profile list to choose an appropriate format for use. Output format options include common MP4, MOV, FLV video and MP3, FLAC, AAC audio, and so on. Here you can set MP4 as output format.