: On iPhones, "Live Photos" generate both a high-resolution still image (JPEG/HEIC) and a short video clip (MOV) to capture motion.

: Modern Apple devices often use the HEVC (H.265) codec to keep file sizes small while maintaining high resolution. Common Uses & Contexts Standard Video : A standalone video clip recorded by a user.

The file is a standard video file, likely captured on an Apple device like an iPhone or iPad. The name follows the default DCF (Design rule for Camera File system) naming convention, where "IMG" denotes an image or media file and "3777" is a sequential number assigned by the camera. File Technical Overview

: MOV files are highly compatible with professional editing software like Final Cut Pro and iMovie. Compatibility & Playback MOV video file – Understanding the basics - Canto

: This container typically holds high-quality video and audio tracks, and may also include subtitles and metadata such as the date and location of the recording.

: MOV is a multimedia container format developed by Apple for use with its QuickTime framework .