Search for duplicate entries in a column of numbers

E

Eán

What is the easiest formula to use when looking for duplicates in a column?

Please and thank you.
 
S

Shane Devenshire

Hi,

Something like

=COUNTIF(A$1:A$100,A1)

Copy this down, anytime the value is greater than 1 you have a duplicate.
Apply an autofilter to this formula column for greater than 1.
 
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