Scan your iTunes library for DRM protected video files and load them for processing The app will also remove the DRM protection during the process. At the same time, some of them use the M4V format which is not supported by all devices.ĪppleMacSoft DRM Video Converter can scan your iTunes library for videos that use the M4V format and helps you convert them to the more popular MP4 standard. Videos downloaded from the iTunes store come with DRM protection, which means that you cannot view them on unauthorized devices.