Practice Files for "Microsoft Excel 2007 & 2010 Tips & Tricks Part 1 & 2":

        Excel 2007 Part 1 & 2 practice.xlsx
        Excel 2007 Part 1 & 2 reference.xlsx

        Excel 2010 Tips practice Part 1.xlsx
        Excel 2010 Tips reference Part 1.xlsx
        Excel 2010 Tips practice Part 2.xlsx
        Excel 2010 Tips reference Part 2.xlsx