Office 365 privacy and security policy
"Office 365" is a monthly subscription based platform that include access to Office 2013 applications and other productivity services that are enabled over the cloud services. Services include Lync web conferencing, Outlook Exchange Online hosted email for business, and additional online storage with SkyDrive and Skype world minutes for home.
Many Office 365 plans also include the desktop version of the latest Office applications, which users can install across multiple computers and devices. All Office 365 plans are paid for on a monthly subscription basis, monthly or annually.