Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching Excel Magic Trick 1010: SUMPRODUCT To Multiply Filtered Columns or Columns With Hidden Rows. and this video is uploaded by excelisfun at 2013-07-07T18:04:11-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [1W2Y-29TzGw]