iCloud is one of the best places to store data in a secured and encrypted form. It allows the users to store and sync data across all the devices. You can easily access all your iCloud contents from any device you are using.

Apple paved the way to allow apps and programs to quickly use iCloud services to store and access all the respective contents, but some applications and programs don’t need to be backed-up or synced with iCloud. In this case, you can easily revoke or withdraw app accesses for iCloud Drive. Users have the choice of permitting or revoking iCloud Drive accesses for apps and programs on the iPhone or iPad.

Follow these instructions to give or revoke iCloud access for several apps over the iPad or iPhone:

Giving iCloud Access to Apps on iOS Devices

Follow these instructions to permit iCloud Access to the desired apps:

First of all, open the Settings app directly on your iOS device.
Then, hit the iCloud Banner option there.
After that, tap on the iCloud button.
Now, scroll your page down.
Then locate the app switch section and reach the desired one for which you like to provide access to iCloud.

Giving iCloud Access to Apps on Mac
Here is how to provide iCloud access to Apps on your Mac device:

Get started by hitting the Apple menu icon located at the top left- side edge of your Mac’s display.
Then, press the option “System Preferences.”
Tap the Apple ID there.
Now, hit the iCloud option located in the sidebar.
Then, mark the particular box to permit access to iCloud services.
Now, apps that accept iCloud syncing will be authorized to transfer data to your iOS devices and Mac.
Revoking iCloud Access from Apps on iOS Devices

Pursue these guidelines to withdraw iCloud Accesses from Apps on iOS devices:

At the start, open the Settings app directly on your iOS device.
Now, hit the iCloud Banner there.
Press the iCloud icon.
Now, scroll down the provided listing and then switch the app accessibility feature to off from which you wish to withdraw iCloud access.
Finally, reboot the device and make sure that the iCloud access has been successfully revoked from the apps you had selected.
Revoking iCloud Access from Apps on Mac

Follow these steps to revoke iCloud accesses from your desired apps on Mac:

First and foremost, hit the icon of the Apple menu located at the top left of your Mac’s display.
Then, press the option System Preferences.
Now, hit the Apple ID.
Tap the iCloud icon located in the sidebar.
Unmark the box for the app you wish to withdraw all the accesses of iCloud.
Finally, reboot the device. The apps you were selected will no longer have access to iCloud Drive and won’t sync with your devices. Make sure that the iCloud access has been revoked from the apps on your Mac.
Syncing becomes easy with iCloud. It also provides a great way to store all your essential files and data on a secured platform. You can easily access all your data and files from any corner of the world. You can easily revoke or grant app accesses for iCloud Drive.

SOURCE:- How to Grant or Revoke iCloud Drive Access to Apps on your iPhone or...