M4V is a file container format used by Apple’s iTunes application. The M4V files are video files and mainly used to encode TV episodes, movies, and music videos in the iTunes Store by Apple. Most of them have DRM copyright protection. They can only be played on Apple players like iPod, iPhone etc.

It’s a pity that you can’t share the M4V movies with your friends or play them on other portable devices such as Blackberry playbook, Galaxy Tab/s, Motorla Xoom, Sony PSP, MS Zune, Creative Zen X-Fi 2, Sony Walkman, Cell Phone and so on if you purchased or rented some m4v movies from iTunes Store, because they are DRM protected. Then you need some methods or software to remove the DRM protection from M4V movies. This article would recommend to you a drm removal software

How to crack or remove DRM from iTunes M4V videos/movies
You can use DRM removal software for removing DRM protection from iTunes m4v video files:
Four ways to remove DRM from iTunes AAC, M4V, M4P audio and video files

Alternatively you can just re-record iTunes m4v videos from screen using screen video capture software.

After removing DRM protection or re-recording from screen, you can and you can enjoy video files on the non-apple device like Blackberry playbook, Galaxy Tab/s, Motorla xoom, Sony PSP, MS Zune, Creative Zen, Sony Walkman, Cell Phone etc.