Identifying Duplicates

CAS

CAS ✭✭✭✭

09/21/23 in Formulas and Functions

Hi I'm trying to work out a formula for identifying duplicates in a invoice column.

what formula would i use and do i setup a separate column to populate the answer to the formula?

my column name is 'Invoice No'

thank you for your assistance.

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Answers

Eric Law ✭✭✭✭✭✭

09/21/23

Hello @CAS You will need a new column. You can use this formula,
=COUNTIF([Invoice No]:[Invoice No],[Invoice No]@row)

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