Canon EOS-1D X Mark III Advanced User's Manual page 486

5.
Save the image.
Press <
Check the destination folder and image file number, then select [OK].
To crop another image, repeat steps 2 to 5.
Caution
The position and size of the cropping frame may change depending on the angle
set for tilt correction.
Once a cropped image is saved, it cannot be cropped again or resized.
AF point display information (
to the cropped images.
Available aspect ratios vary depending on whether you use [
7: Add cropping information].
> and select [OK] to save the cropped image.
) and Dust Delete Data (
486
) will not be appended
: Cropping] or [