Filling in blanks in Column B with Duplicates in Column A

TitoBurrito

New Member
Joined
Oct 27, 2022
Messages
11
Office Version
  1. 365
Platform
  1. Windows
Hello Excel Masters.

I am trying to write a formula that will fill in the blank cells for Column B with "Contact 1", "Contact 2", or "Contact 3". Depending on how many duplicates are in Column A.

EX:
174653Contact 1
174653Contact 2
175277Contact 1
175277Contact 2
178484Contact 1
178484Contact 2
178484Contact 3

Thank you for the help.
 

Excel Facts

What is =ROMAN(40) in Excel?
The Roman numeral for 40 is XL. Bill "MrExcel" Jelen's 40th book was called MrExcel XL.
Hi,
You can test
="Contact "&COUNTIF($A$2:A2,A2)
 
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