How to Play M4V Files?
One way to play M4V files which is protected by DRM is to use iTunes. Your computer must be authorized (using iTunes) with the account that was used to purchase the video.
What if you want to play M4V files on other video players apart from iPod and iTunes? You need to convert the M4V files to other formats such as MP4, AVI, WMV, MOV, 3GP, etc.
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Free download the M4V Converter and install it. Then you can play M4V files on your favorite Zune, PSP, Mobile phone, and so on!
For Mac users, please click M4V Converter Mac.
How to Play M4V Files with the Help of M4V Converter?
Step 1. Launch the installed M4V converter and load files by clicking "Add..." button.
Step 2. Click the drop-down arrow beside the "Video files to:" and select the output formats as you wish.
Step 3. After all settings done, click "Start" button for playing M4V.
How to open M4V files? I think you know the answer now. So go ahead to remove DRM and then play M4V files as you go!