hello,
I'm pretty new to Excel. What I'm trying to do is count (repeated calls) the number of times a person calls within 3 days the criteria is same customer ID,same customer mobile,same date and same reason . I use the formula =COUNTIFS($B:$B,B2,$A:$A,A2,$F:$F,F2,E:E,">="&(E2-3),E:E,"<="&E2))...