About the protected m4v format
Videos you buy or rent from iTunes store are in the DRM-Protected .m4v format. That's to say, you can't use them freely. Then you may need a tool to remove the annoying DRM protection.
M4V Converter Plus is just a wonderful protected m4v converter. It can help you to convert iTunes protected M4V video files to other unprotected fomats with excellent output quality and high speed.
You can see that M4V is just apples incorrectly used extension for mp4. Now assuming you can remove the drm protection, and then you can convert protected M4V video format to unprotected mp4.
So how to remove the drm protection?
With M4V Converter Plus you can remove the DRM protection from iTunes M4V files easily. What's more, it can convert almost all video formats that could be played on your iTunes, especially DRM-Protected M4V you purchased or iTunes movie rentals.
Step 1: Import your protceted M4V videos
Download and install the powerful M4V Converter Plus, run it, Click Add button, select the protected M4V files you want to convert, click OK button.
Step 2: Set the output settings
Set output settings as default, and then select "iPod(*.m4v)" in profile droplist.
Step 3: Start Converting protected M4V files
Press Convert button or click the menu Control->Start Converting.
Now, you have done the process of converting DRM M4V files to unprotected M4V within minutes using the powerful Protected M4V Converter - M4V Converter Plus. You can also convert M4V video to MP4, convert protected M4V to DRM free MOV with satisfied output quality.