Find duplicate numbers in large Excel Spreadsheet

R

rae820

if you are working in a list...you can have a separate column that wil
display the text "Duplicate" if the numbers are in fact duplicated...

=IF(COUNTIF($A$1:A1,A1)>1 "DUPLICATE", "Unique")

A= the column you would like to check 1= the row you would like t
start checking

the function would go in a column to the side and then you can sort th
data by duplicate numbers and delete those rows
 
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