: This is a standard QuickTime video format developed by Apple. While it is native to Apple products, it is compatible with most modern Windows media players and video software. Common reasons you see this name:
If you need to revert the video to its original unedited state, you can usually do so within the iOS Photos app by selecting the video and tapping . FullSizeRender (2).mov
: Services like Google Drive or NextCloud sometimes rename edited files to this during the upload process. : This is a standard QuickTime video format