duplicates in a column

montanaaggie

Board Regular
Joined
Nov 11, 2005
Messages
120
Office Version
  1. 365
Platform
  1. Windows
I have a list of 1000 things in column A. Each item is in its own row and is supposed to be unique. I believe one maybe duplicate. Is there an equation that will let me know if something is duplicated? If it does find a duplicate is there a way for it to pinpoint which one is the duplicate?
 

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indiantrix

Well-known Member
Joined
Oct 17, 2002
Messages
943
Place this formula into cell B1 and copy down:
=COUNTIF($A$1:$A$1000,A1)
Every unique value in A will have a "1" in column B
and duplicates will have a number greater than "1".
Apply autofilter on column B as desired.
HTH Larry
 

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