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, the 621st installment in their series of digital spreadsheet magic tricks, you'll learn how to write a logical formula using the AND and COUNTIFS functions with mixed cell references in the conditional formatting dialog box to highlight entire row (whole record) in data set (table) when record is unique and matches the stated criteria.