Working with Excel

Formulas

How to find duplicates in a column?

=IF(COUNTIF($A$2:A2,A2)>1,"Yes","")

How to Count Duplicate Instances excluding the First Occurrence

=COUNTIF($C$2:$C$8,E2)-1.

Count Case-Sensitive Duplicates in Excel

=SUM(--EXACT($C$2:$C$8,E2)).

Counting Duplicate Rows in Excel

=COUNTIFS($A$2:$A$8,A2,$B$2:$B$8,B2,$C$2:$C$8,C2)

XLOOKUP function 

Additional information

• tutorials for numerous situations: https://www.got-it.ai/solutions/excel-chat/excel-tutorial/