How to use COUNTIF to see if a customer is a repeat customer
Requirement:
The user wants to obtain a True or false statement if a customer is a repeat customer over 2 other sheets. e.g below:
| Sheet 1 Column A | Sheet 2 Column A |
| [email protected] | [email protected] |
| [email protected] | [email protected] |
| [email protected] | [email protected] |
| [email protected] | [email protected] |
| [email protected] | [email protected] |
Current sheet
| A | B |
| [email protected] | True |
| [email protected] | True |
| [email protected] | True |
| [email protected] | False |
Solution:
=COUNTIF('Sheet1'A:A,A2)+COUNTIF('Sheet2'!A:A,A2)>0
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Obtained from the OzGrid Help Forum.
Solution provided by NBVC.
See also: Index to Excel VBA Code and Index to Excel Freebies and Lesson 1 - Excel Fundamentals and Index to how to… providing a range of solutions and Index to new resources and reference sheets
See also:
| How to work with COUNTIF with multiple criteria |
| How to use Index/Countif based on multiple factors including range |
| How to COUNTIF using input cell as range depth |
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