Canon EOS R5 Advanced User's Manual page 733

Rec options
Set the recording method for movies.
• Standard
Records movies to the card selected in [
• Auto switch card
Same as [Standard], but recording ends when the card becomes
full. When you resume recording, the camera switches to the other
card for recording. A new folder is created after switching cards.
• ,
For each recording, a RAW movie is recorded to card
MP4 movie to card
card becomes full, recording is no longer possible.
, both with the same file number. When one
733
Record/play].
and an