LRV files are low-resolution video files used by GoPros as video previews. So you load your GoPro memory card onto your computer and there's a bunch of weird files. What is an LRV file? Low Resolution Video file created in the MPEG-4 video format; produced by a number of GoPro cameras including the GoPro HERO2 and. What is a GoPro LRV File? GoPro.