"Office 365" refers to subscription plans that include access to Office
applications plus other productivity services that are enabled over the
Internet, such as Lync web conferencing and Exchange Online hosted
email for business, and additional online storage with One Drive and
Skype world minutes for home.
For businesses that need the power of Office with advanced services for messaging, document sharing, and compliance and management features for IT
For businesses that need the power of Office with advanced services for messaging, document sharing, and compliance and management features for IT