Tableau is a powerful data visualization software that allows users to create interactive dashboards, reports, and charts. It is a cloud-based platform that enables collaboration and sharing of visualizations with team members. Tableau is known for its ease-of-use and intuitive drag-and-drop interface. Users can connect to various data sources, such as Excel, CSV, SQL databases, and cloud-based data warehouses, to create meaningful visualizations. Tableau also provides advanced features, including predictive analytics, machine learning, and natural language processing.