Microsoft Azure Rights Management Service Premium - subscription license (1 month) - 1 user

When you activate Azure Rights Management (Azure RMS), your organization can start to protect important data by using applications and services that support this information protection solution. Administrators can also manage and monitor protected files and emails that your organization owns. You must enable Rights Management before you can begin to use the information rights management (IRM) features within Office, SharePoint, and Exchange, and protect any sensitive or confidential file.