Prevent duplicates before they happen by combining a simple function with data validation.

Open a spreadsheet in Excel Online. Switch to the Data tab. Click on the Data Validation option. Select Text Length from the Allow list. Select a character limit from the Data list. Enter the ...

Learn how to use a data validation control to allow users to select when to run multiple VBA procedures in Microsoft Excel.

Microsoft Excel has recently introduced three powerful new functions that leverage regular expressions (REGEX) to enhance text manipulation capabilities.