Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 471)

Copying a Range of Images
You can copy all specified images at once by selecting the first and last images in a range
as you look at images in the index display.
1.
Select [Range].
2.
Select the folder.
Select the source folder, then press < >.
When selecting the folder, refer to the images displayed at right of the
screen.
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