: The "3M" prefix often refers to "3D Multiview" (MV-HEVC), a codec extension used by devices like the Apple Vision Pro and iPhone 15 Pro to capture spatial video.
: Once extracted, the video files (typically in .mp4 , .mkv , or .mov containers) require a player that supports HEVC. VLC Media Player : Generally supports most HEVC profiles.
To view the contents of this file, you will need two types of software:
: Native support is standard on most recent hardware. HEVC files explained | How to open and use them - Adobe
: May require the "HEVC Video Extensions" from the Microsoft Store.
: It could be a sample file used for testing video encoders or decoders to compare speed, bitrate handling, and quality. How to Access the Content