Tableau is a powerful data visualization and business intelligence tool that enables users to create interactive, shareable dashboards and reports from a wide range of data sources. Known for its intuitive drag-and-drop interface, Tableau allows users to explore and analyze data visually, making complex datasets more accessible for decision-making. It supports real-time data analytics and offers advanced features like data blending, forecasting, and collaboration. Tableau is widely used across industries for data exploration, storytelling, and driving data-driven insights.