Excel formula to find duplicate values based on column change

BORUCH

Well-known Member
Joined
Mar 1, 2016
Messages
528
Office Version
  1. 365
Platform
  1. Windows
hi

what formula in excel can i use to find duplicate values based on a column change in column A
 

Excel Facts

What is =ROMAN(40) in Excel?
The Roman numeral for 40 is XL. Bill "MrExcel" Jelen's 40th book was called MrExcel XL.
Here's my favorite. Sort on column A, then in an unused cell on row 2 (assuming there's a header row) place =IF(A1=A2,"**",IF(A2=A3,"*","")) and copy to end.
The first of any set of duplicates will have one asterisk, the subsequent ones will have two.
 
Upvote 0
OK

I would like to find the duplicates in column d based on change in column a
 
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