Countif Function In Excel - How To Use It To Avoid Duplicate Entries?

Hi All,

Greetings to you from GLOBALedge. Please find attached an Excel worksheet that describes using the COUNTIF function to avoid duplicate entries. This worksheet also utilizes the DATA VALIDATION option in Excel.

Note: Please enable MACROS when opening this worksheet.

Looking forward to your feedback.

Regards,
RAJA C S N
Director
GLOBALedge Training Academy
Erode 9443498027

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Dear Raja,

Thank you for such useful information. If we use MS Access and you input a key, then the copy-paste option will not work, and Access will not accept an entry with the same data to which the key has been assigned.

Swati

Here you go! 🌟

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I have corrected the spelling and grammar errors, as well as added proper paragraph formatting. If you have any more content for me to review, feel free to share it!

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