Files with M4V extension are used by Apple for DRM protected. These M4V videos can be used exclusively in your iTunes or on your iPod. To watch them on any other device, you have to remove DRM protection. Here the page shows how to convert M4V to unprotected MP4?
With this M4V to MP4 conversion software - M4V Converter Plus, you can easily and quickly convert DRM M4V files to MP4 files with high output quality.
After you have installed M4VConverterPlus trial version, you can only convert 3 minutes of each videos you want to convert.
If you have bought a license, and have got your key code. You may click here to read how to register to be full version.
Click the "Add Movies" button on the top-left to add the video files you want to convert. The software will open the iTunes movies library by default. Select the files and then click "Add".
In the "Profile" drop-down list, the software supports multiple output formats, select the "Same as source for mp4". Of course, you can also set the output files parameter and other settings before converting M4V to MP4 files.
OK, we have finished the whole conversion of M4V to MP4. You can also preview the converted MP4 files in the preview window to check the quality.
Apart from convert M4V to MP4, you can also use it to convert M4V to other video files, such as unprotected MOV, M4V and so on. Just free download and enjoy it.