Fullsizerender (2).mov May 2026

: The "(2)" in the filename suggests that a file with the same name already exists in the destination folder, leading the operating system to add a number to prevent overwriting the original.

: Sending an edited video via AirDrop or email often triggers this automatic renaming.

: When you edit a photo or video in the iOS Photos app (such as cropping or applying filters) and then share or export it, Apple often renames the resulting file to "FullSizeRender".

Are you trying to this file to a different format, or