Power BI is a collection of software services, applications, and connectors that work together to turn your unrelated sources of data into coherent, visually immersive, and interactive insights.
Watch a tour (3:56).
Your data may be an Excel spreadsheet, or a collection of cloud-based and on-premises hybrid data warehouses. Power BI enables you to connect to your data sources, visualize, and discover what's important, and share that with anyone.
See source: What is Power BI?
