Cloud Drive is now available when you upgrade your domain to MobileSync with Cloud Drive, every user on your domain can store, access, sync and share their files from anywhere on practically any device.
Edit, create and collaborate on spreadsheets.
Edit, create and collaborate on Word documents with your team.
As Cloud Drive with MobileSync for Webmail is a domain wide upgrade. It is not possible to upgrade only select users. All users on the domain must be upgraded.