It can be manually enabled from the addins section of the files tab by clicking on manage addins, and then checking analysis toolpak. The Solver, Data Analysis ( Analysis ToolPak Analysis ToolPak Excel's data analysis toolpak can be used by users to perform data analysis and other important calculations. Moreover, with add-ins, one can add buttons to the Excel ribbon and run custom functions. Once enabled, it activates as Excel is started.įor example, an excel add-in can perform tasks like creating, deleting, and updating the data of a workbook. By providing additional functions to the user, it increases the power of Excel. An add-in is an extension that adds more features and options to the existing Microsoft Excel.