Canon EOS R3 Advanced User's Manual page 868

2.
Select an option.
On
Automatically rotates images for display on both the camera and
computers.
On
Automatically rotates images only for display on computers.
Off
Images are not automatically rotated.
Caution
Images captured with auto rotation set to [Off] will not rotate during playback even
if you later set auto rotation to [On].
Note
If a picture is taken while the camera is aimed up or down, automatic rotation to the
proper orientation for viewing may not be performed correctly.
If images are not rotated automatically on a computer, try using EOS software.
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