The following options exist:
remove shares for single persons or remove a public link
remove all existing permissions for a file or a folder in the Drive app
The following information about folders can also be applied to address books and calendars.
How to remove shares for single persons or remove a public link.
In the folder view, select a folder that you shared.
Click the icon next to the folder name. Click on .
In the Drive app, you can also click the icon in the toolbar. Click on .
The window for adjusting the permissions opens.
Click the icon next to a person's name or next to Public link. Click on in the menu.
Click on .
How to remove all permissions for a file or a folder in the Drive app
In the Drive app, open in the folder view.
Select a share in the detail view. Click on in the toolbar.
Also see:
Parent topic: Sharing