If you are not signed in, tap Sign in to (your device), enter your Apple ID and password, then tap Sign In. If you are running an older version of iOS, you may not need to do this step.

Scroll down to see the complete list of apps that may access iCloud.

Turn on iCloud Photo Library to automatically upload and store your camera roll to iCloud. When enabled, your entire photo and video library will be accessible from any mobile or desktop platform. Turn on My Photo Stream to automatically upload new photos to iCloud whenever you’re connected to Wi-Fi. Turn on iCloud Photo Sharing if you’d like to create photo albums that friends can access over the web or on their Apple device.

Apple does not have access to this encrypted information.

Turn on Send Last Location to enable your device to send its location information to Apple when the battery is critically low.

Turn on Send Last Location to enable your device to send its location information to Apple when the battery is critically low.

Any app listed below iCloud Drive will be able to access its storage if the button next to it is in the “On” (green) position.

If you’re not automatically logged in, enter your Apple ID and password. [5] X Research source

Do so by choosing “iCloud Drive” in any “Save” dialog box or dragging files to iCloud Drive in the left pane of a Finder window. Select which apps have permission to access iCloud Drive by clicking on the Options button next to “iCloud Drive” in the dialog box.

You may need to scroll down to see all the selections.