If the file was purchased or rented from the iTunes Store, it likely has DRM, meaning it can only be played on authorized devices.
These files are designed for seamless playback on Apple products like iPhone, iPad, and Apple TV.
Users often find the M4V format confusing due to its similarity to MP4 but restrictive nature on non-Apple devices.
If you're having trouble playing this specific file, you can try opening it with the VLC media player or using a tool like HandBrake to convert it to a more universal format. What Are M4V Files? | M4V Format Explained - Adobe
Tools like HandBrake often default to this extension because it supports specific features like AC3 audio and chapter markers that older Apple players require. Community Perspectives