How to Excel Magic Trick #107: Array Formula For Monthly Sales R.Admin 7 years ago How to Excel Magic Trick #107: Array Formula For Monthly Sales # Share this:Print How to Excel Magic Trick 1271: Extract Top 20 Values & Dates: Formula, Array Formula or Power Query?DateMarch 25, 2017In relation toLearn ExcelExcel Magic Trick 1378: Average of Customer Total Sales by Product: Formulas, DAX or Array Formula?DateMarch 25, 2017In relation toLearn ExcelExcel Magic Trick 1085: How To Simulate VLOOKUP Helper Column In Array Formula (Number or Text)DateMarch 25, 2017In relation toLearn Excel