Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 52nd installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to have one workbook look into another workbook using a workbook reference. See also how to update workbook references. Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.