New to 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 Excel tutorial from ExcelIsFun, the 162nd installment in their series of digital spreadsheet magic tricks, you'll learn how to deal with duplicates with the MATCH function by using the COUNTIF function. This is accomplished with recourse to Excel's IF, OR, LARGE, ISERROR, MATCH, INDEX and COUNTIF functions.