Nikon Z 7II User Manual page 622

D
Image Quality
•
Copies created from NEF (RAW) pictures are saved at an [Image quality]
of [JPEG fine m ].
•
Copies created from JPEG pictures are the same quality as the original.
•
In the case of dual-format pictures recorded to the same memory card
at image-quality settings of NEF + JPEG, only the NEF (RAW) copy will be
retouched.
D
Image Size
Except in the case of copies created with [NEF (RAW) processing], [Trim],
and [Resize], copies are the same size as the original.
N The Retouch Menu: Creating Retouched Copies
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