After opening Excel, click File. At the bottom of the File menu, click Options. Click Add-Ins and then Go… . This opens an additional pop-up window that allows you to select the Analysis ToolPak.

Microsoft has introduced lots of new features to its Excel app recently, aimed at enhancing productivity, simplifying data analysis, and improving usability across desktop, web, Mac, and iPad ...

Microsoft Office Excel contains a data analysis add-in that allows to to perform a Fourier analysis of a series of numbers. So named for the French mathematician who developed the analytic technique ...