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

The first is a basic translation of several cells in Excel, while the second example shows you how to use the TRANSLATE function dynamically with a drop-down list.

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

How to Use Excel to Show Only Duplicate Values. Business issues such as incorrect transactions, data entry errors, technical glitches and poor system design may cause duplicate values in your data ...

Using a formula, you can automate the process of looking for duplicates in your Excel spreadsheets.