Replace Duplicated Values with Unique Values

[peteuga]

Hi All,
I would like to do a VLookup to solve an accounting problem. My data gives the same order ID on multiple lines. In order to make the VLookUp work I need to change the duplicated order ID's too unique ID's. In the example you will notice 112-4526136-7587448 is listed 6 times so I need 112-4526136-758744801 then 112-4526136-758744802 .....

Some will have many more than just 6 rows maybe 50 or 60.

Thanks

[AliGW]

In B3 copied down:

=A3&COUNTIF(A$3:A3,A3)

[peteuga]

Thank you very much. Works well

[AliGW]

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