The Office 365 suite of services includes:
Office Online - web-based versions of Microsoft Word, Excel, PowerPoint, and OneNote that allow you to access documents in a web browser across multiple devices to create and share them online.
OneDrive for Business -individual cloud storage that allows you to easily share files and access them from your mobile devices.
SharePoint -a collaboration, information sharing, and document management service.
Exchange - robust email and calendar, accessible from anywhere.
* Skype for Business - connect with others through instant messaging (IM), video calls, and online meetings.
* IMSS is currently evaluating evaluating Skype for Business as a service for Caltech.