Microsoft Office 365 (Plan E4) - subscription license - 1 user

Your employees get the productivity and collaboration tools they want, while your IT uses a single administration console to manage features, policies and monitor service health from virtually anywhere with one easy-to-use, cloud-based tool.

With Office 365 your data is safer, thanks to robust disaster recovery capabilities, globally-redundant backups, and extensive privacy features. And your users are highly protected against spam and viruses with filters.