Power BI for Office 365 is a new self-service business intelligence (BI) offering enabling businesses to gain insights from their data in powerful new ways within Excel and Office 365. Customers now have the ability to easily search, discover and access data inside and outside of their organization and, with just a few clicks, shape and transform that data. They can also analyze and create stunning interactive visualizations that uncover hidden insights to share and collaborate from virtually anywhere, on nearly any device.

Office 365 technology – What powers Power BI in Office 365?.