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You want a column as 'mobile numbers' in your data and want to ensure only 10 digits and numeric values are entered. It shouldn't allow text values.
Use this Custom Data Validation technique to ensure your requirement is met. It uses a combination of LEN and ISNUMBER functions.
Play around with this method, to make your own Custom formula too!
For 1 more custom data validation technique, see
• Custom Data Validation...
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Rushabh Shah is an expert in training Professionals & Students in Excel's Advanced features & formulas. These tutorials are simply a way to spread the knowledge and make people more productive using Excel.
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