Question:
What is the difference between Backup and Save as AVI?
Answer:
Backup: The video clips are encoded in original codec, meaning that the video will not be re-encoded.
Save as AVI: User can re-encode the video clips into other codec, such as switching H.265 to H.264.
Reference:
[ FVS - 201707135004 ] Backup video clips, H.265 camera, CPU can't decode and file is unreadable, save as avi