New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun and Mr. Excel, the 52nd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to use the INDEX function to turn a Ctrl + Shift + Enter array formula into just an Enter array formula. Avoid Ctrl + Shift + Enter by using the INDEX function and a blank as the row argument.