Widely speaking, DRM protection applies all the multimedia files in iTunes Store. For most files downloaded from iTunes, moreover, are protected by DRM protection. Using H264 high-definition coding, compared to traditional On2 VP6, H263, Divx, etc., can achieve higher definition with a smaller volume. Its video encoding uses H264 or AVC, and audio encoding uses AAC. This format is used by iPod, iPhone and PlayStation Portable. M4V is a standard video file format created by Apple.

Most of the video files downloaded from iTunes are all protected by DRM protection and they are formatted in M4V.

Part 4: How to Convert iTunes DRM M4V to MP4 Free Online with Zamzar?.

Part 3: How to Convert iTunes DRM M4V to MP4 with TuneFab M4V Converter?.

Part 2: How to Convert iTunes DRM M4V to MP4 with Leawo Prof.

To resolve this issue, try VLC media player. Keep in mind that M4V is a container that holds various kinds of data, so if there is a problem opening the file, it usually means that data in the container (an audio or video codec) is not compatible with the device’s OS. It is also possible to open M4V files in other media players, such as Adobe Premiere Pro, Media Player Classic, and several others. M4V files open on Windows or Mac operating systems, in Apple iTunes for Windows and Apple iTunes for Mac, respectively. While M4V files are very similar to MP4, they are designed for Apple products and Apple usually protects these files with FairPlay DRM. This results in a file that is easy to manage and store. It stores audiovisual and multimedia data into single file and uses a codec to compress file size. M4V is a container video format that is exclusively for Apple products.

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