Excel is spreadsheet software that allows users to create tables to calculate, analyze, and visualize data. It enables the automatic calculation of totals in numerical cells and creation of graphs and charts. Excel is part of Microsoft Office, a suite of productivity software for documents, spreadsheets, presentations, and email management. In Excel, data is entered into individual cells that make up tables, and various chart types can be generated including pie charts, column charts, bar charts, and line charts to represent trends over time.