A rec_part1 file extension is related to the Walker File format used to store recorded video data.
REC_PART1 file extension - Walker File format video data
What is rec_part1 file? How to open rec_part1 files?
File type specification:
The rec_part1 file extension is associated with the Walker File format, a video recording format used by smart TVs, set-top boxes, record boxes developed by Walker Technology Products.
The rec_part1 file stores second part of recorded video in device supported Walker File Format.
Video is encoded by Advanced Video Codec and encrypted to prevent playback in other multimedia players.