M4V File Documentation

Overview

Feature Value
File Extension .m4v
MIME Type video/x-m4v
Type of Format Video File Format
Developed by Apple Inc.
Container for Video and Audio
Compatibility iTunes, QuickTime Player
DRM Protection Optional
Video Compression H.264/MPEG-4 AVC
Audio Compression AAC, AC3
Resolution Supports up to 4K
Aspect Ratio Variable
Bitrate Variable
Streaming Supported
Subtitle Support Yes
Chapter Markers Supported
Metadata Supports extensive metadata
Primary Usage Video content purchased from the iTunes Store
Copy Protection With FairPlay DRM (if enabled)
Software Support iTunes, QuickTime, VLC Media Player, etc.
File Interchangeability Generally interchangeable with .mp4; may require renaming file extension for compatibility
Pros High-quality video; optional DRM; wide device compatibility
Cons Potential compatibility issues without conversion; restricted by DRM (when enabled)