Power BI is a cloud-based service that works together with Excel to provide a complete self-service analytics solution. With both Excel to author reports and Power BI for Office 365 to share them, you can give everyone in your organization a powerful new way to work with data.
In Excel, you can now discover, combine, model, analyze, and visualize data like never before.
With Power BI for Office 365 you can easily setup an online gallery for users to share insights, collaborate and access reports created in Excel, from anywhere on any device while asking questions in natural language to get live interactive answers through data visualizations.