i using following formula but it returns no results COUNTIFS($O:$O,S16,$B:$B,R16,$P:$P,$T$15) O:O, is list of names S16, is specific name B:B, is Items list R16, is specific item P:P, is only month (mmm) derived from a date column (dd/mm/yy) T15, is month [Jan, Feb, Mar,......Dec] i think i...