With Office 365, your data is safely hosted in one of Microsoft’s US datacenters staffed by world-class infrastructure and security experts who follow best-in-class security processes and regular backup practices to meet strict compliance standards. With Office 365’s financially backed guarantee of 99.9% uptime, you and only you will always have access to your data. You will always own and control your data, including if you decide to cancel your subscription at a later date.