: If you need to share it with non-Apple users who are having trouble viewing it, you can convert it to an MP4 format using tools like CloudConvert or Handbrake.
: This indicates the video is a shortened version of an original clip. When you edit a video in iOS and select "Save as New Clip," Apple assigns this prefix to the new file.
If you are looking to turn this specific clip into a more polished "feature" or presentation, you might consider these steps:
: This is a standard Apple QuickTime container, typically encoded with H.264 or HEVC (High Efficiency Video Coding). Ways to "Feature" This Video
: The string of letters and numbers ( 10946EC3... ) is a "Universally Unique Identifier" generated by your device to ensure the file doesn't overwrite others.