I am looking to count the first instance of data in a column, however when a new row gets inserted the countif needs to be reapplied.
Is there a way to make this spill?
AB1DATAFirst instance2a13b14c15inserted row6a07c08d19e110f1B2:B4,B6:B10B2=(COUNTIF($A$2:$A2,$A2)=1)+0
I have considered using...