How Do I Delete App Data From iCloud On My Mac?
Yes, open System Preferences by going to the Apple menu on the top left of your screen. Click on the iCloud preference pane and then click on Manage. A list of apps that store data in iCloud will appear in the left-hand column of the window. Select the app you would like to manage to see what it has saved in iCloud. You can delete individual files or selecte "Delete All" to remove all the data associated with that app.