How to Count with two criteria in Microsoft Excel
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 529th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the SUMPRODUCT and COUNTIFS functions to count how many sales you made for a given product over the last 7 days.