How do admins manage access to a folder?
To manage access, you need groups. Set access to a folder directly from the ‘Create new folder’ dialog or click the three dots button on the right side of an existing folder (visible when hovering over a folder with the cursor) and click ‘Manage Access.’
To make the folder available to specific group(s), Choose ‘Selected Groups only.’ Admins can then select which groups to give access to that particular folder using the check-boxes. You can only choose groups that already have access to the parent folder. Note that you need to be an admin to manage access.