Microsoft Power BI is a business analytics service that provides interactive visualizations and business intelligence capabilities with an interface simple enough for end users to create their own reports and dashboards. It connects to various data sources, including Excel spreadsheets, on-premises databases, and cloud-based services, and allows users to create a range of data visualizations, including charts, graphs, and maps.

Power BI has several components:

• Power BI Desktop: A Windows application for creating and publishing reports.
• Power BI Service: An online service for accessing, sharing, and collaborating on published reports.
• Power BI Mobile: Apps for iOS, Android, and Windows devices that allow users to access and interact with their Power BI reports and dashboards on the go.

Power BI is designed to be user-friendly and easy to use, with a range of tools and resources available to help users get started, such as tutorials, templates, and a community forum. It is commonly used by businesses to gain insights into their data and make data-driven decisions.