4532e71f-cdc3-4021-ab7a-1a7c52089a00.m4v -

: iPhone or Mac sync files often use these long strings.

: Temporary or "render" files created by apps like Final Cut Pro or iMovie. 4532e71f-cdc3-4021-ab7a-1a7c52089a00.m4v

: Automated uploads to services like iCloud, Google Photos, or Dropbox. : iPhone or Mac sync files often use these long strings