Microsoft Office Excel 2007 is a powerful tool you can use to create and format spreadsheets, and analyze and share information to make better informed decisions. You will: Learn how to work with the new Office Ribbon interface; Understand Excel 2007 file compatibility issues; and be introduced to some of the notable new features of the Excel 2007. A spreadsheet is an electronic document that stores various types of data. There are vertical columns and horizontal rows. A cell is where the column and row intersect. A cell can contain data and can be used in calculations of data within the spreadsheet. An Excel spreadsheet can contain workbooks and worksheets. The workbook is the holder for related worksheets.