DatAdvantage for SharePoint Online - On-Premise subscription license (1 year) - 1 user

DatAdvantage will also identify stale data that is no longer accessed by actual humans - save disk space, lower cost and simplify your environment all at once.

DatAdvantage uses machine learning and bi-directional cluster analysis to pinpoint users that have access to files they don't need to do their job. It's your single interface for managing permissions and security groups.