https://www.fileviewpro.com/en/file-extension-m4v/
FileViewPro is a comprehensive software tool developed to ease the process of viewing and handling a broad spectrum of file types, including the M4V format. It delivers users with a seamless experience, permitting them to open their files without the need for specific software for each file type. One of the most notable features of FileViewPro is its ability to open M4V files, a format commonly associated with video playback, particularly for Apple devices. M4V files are video files typically used for movies, TV shows, and music videos