Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 468)

3.
Select the folder.
(1) Number of images in folder
(2) Lowest file number
(3) Folder name
(4) Highest file number
Select the source folder, then press < >.
When selecting the folder, refer to the images displayed at right of the
screen.
4.
Select an image to copy.
(1) Total images selected
Turn the < > dial to select an image to copy, then press < >.
To select another image to copy, repeat step 4.
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