Canon EOS-1D X Mark III Advanced User's Manual page 549

7.
Select an option.
Select [OK] to access the setting screen.
[All images]
All images stored on the card become viewable.
[Images from past days]
Specify viewable images on the shooting-date basis. Images shot up to
nine days ago can be specified.
When [Images shot in past days] is selected, images shot up to the
specified number of days before the current date become viewable.
Use the <
< > to confirm the selection.
Once you select [OK], the viewable images are set.
Caution
If [Viewable imgs] is set to any setting other than [All images],
remote shooting is not possible.
> < > keys to specify the number of days, then press
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