I am trying to figure out the formula for a sumif with multiple criteria. I have a separate worksheet named "Sales" Column A list the date, column B list the month, column C list the Year and column D list sales for the particular day. I would like, on a separate worksheet named "SalesReports", to have a dropdown list in cell A1 to select the month and another in cell B1to select the year. Based off that criteria I would like the formula to sum all the sales data in column D from the "Sales" sheet. Hopefully, this make sense. Any assistance is greatly appreciated. Thank you!