Excel logical formulas: 12 simple IF statements to get started Learn the ins and outs of the logical formulas like the famous IF Statements that represent the heart of Excel.

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

Learn how to create a drop-down list using Data Validation in Excel. Data Validation limits the type of data that can be entered into a cell.

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 ...

Microsoft Excel makes it possible for users to easily get around incorrect data entries. In most cases, the user takes advantage of the data validation feature. However, there are times when this ...

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

To edit a drop-down list in Excel, you can use a number of tools depending on how you created the list. Here's what you need to know.

When you update this spreadsheet with new or different data, you won’t have to re-create the validation rule, but you will need to click Circle Invalid Data again. This tool would be useful to bring ...