The filename follows a standard naming convention used by Apple devices (like iPhones or Macs) when a video file is edited or "trimmed" using the native Photos or QuickTime apps. Understanding the Filename

: This string of letters and numbers is a Universally Unique Identifier . It is a randomly generated ID used by the operating system to track the specific edit session or the unique identity of that individual file.

: This is the standard QuickTime file format used for high-quality video. Context and "Story"