Ready to learn Excel from the basics to the advanced tips? Microsoft Excel is the spreadsheet application of the MS Office suite. It is widely used for storing, organizing, and analyzing data or information. Every Excel file is equivalent to a workbook that is comprised of one or more worksheets. Each worksheet represents your work space which gives you further access to Excel’s wide range of functions. These include data input and storage, data organization and formatting, and data analysis through calculations, table and chart plotting tools, and statistical operations, among many others.