Excel Power View was a data visualization and interactive reporting tool introduced by Microsoft. 

Power View was primarily designed to work with Microsoft Excel and SharePoint, allowing users to create interactive reports and dashboards using data from Excel or other supported data sources. It provided various visualization options, such as charts, tables, maps, and slicers, which could be combined to create dynamic and visually appealing reports.

Key features of Excel Power View included:

1. Data Exploration: Users could explore and analyze data by interacting with the visualizations, filtering, and slicing data to gain insights and make data-driven decisions.

2. Interactive Reports: Power View allowed users to create interactive reports that could be shared and presented with others, enabling collaborative data analysis.

3. Easy-to-Use Interface: The tool was designed with a user-friendly interface that required minimal technical expertise, making it accessible to a wide range of users.

4. Compatibility: Power View was tightly integrated with Microsoft Excel and SharePoint, making it easier to publish and share reports within the organization.