Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 484)

Cropping JPEG Images
You can crop a captured JPEG image and save it as another image. Cropping an image is
possible only with JPEG images. Cropping is not available for HEIF or RAW images, or for
frame-grab images from 4K movies.
1.
Select [ : Cropping].
2.
Select an image.
Turn the < > dial to select the image to crop.
Press < > to display the cropping frame.
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