Canon EOS RP Instruction Manual page 515

Frame grabbing is not possible with Full HD movies, Full HD time-lapse
o
movies, or with 4K movies or 4K time-lapse movies from a different camera.
Grabbing a Frame from 4K Movies or 4K Time-Lapse Movies
7
Save the image.
Select [OK] to save the current frame as
z
a JPEG still image.
8
Select the image to display.
Check the destination folder and image
z
file number.
Select [View original movie] or [View
z
extracted still image].
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