Microsoft Power BI is a business intelligence and data visualisation platform that helps users transform data into interactive dashboards and reports. It allows users to connect to various data sources, clean and model data, and create visualisations to analyse and share insights. 

Features include:

• Data Connectivity: Power BI can connect to a wide range of data sources, including Excel spreadsheets, databases, cloud services, and more. 
• Data Modelling and Transformation: Users can clean, transform, and model their data within Power BI using tools like Power Query and DAX (Data Analysis Expressions). 
• Data Visualisation: Power BI offers a variety of interactive visualisations, including charts, graphs, maps, and more, to help users explore and understand their data. 
• Report Creation: Users can create interactive reports and dashboards by combining visualisations and other elements. 
• Collaboration and Sharing: Power BI enables users to share their reports and dashboards with others, both within and outside their organisation. 
• AI-powered Insights: Power BI includes AI-driven features, such as automatic pattern detection and predictive analytics, to help users uncover hidden insights and make data-driven decisions. 
• Integration: Power BI integrates with other Microsoft products and services, such as Excel, SharePoint, and Teams.