Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has ...

You can use Excel's data validation feature to make a drop-down menu in Excel that lets you specify that only yes or no answers, or other types of designated data, are allowed.

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 ...

This illustrated walk-through (with a demo worksheet) shows how easy it is to create a multi-column search solution using validation lists and conditional formatting.

Excel guarantees accuracy through cell-by-cell data validation checks and formulas while maintaining a clean interface that is easy for staff to quickly learn. Streamlining procurement through ...

In this article we will show you how to display multiple columns in a validation list in Excel. We will show you a method that can then be applied to your data.

You can alphabetize data in an Excel spreadsheet by row or column using the "Sort" feature, or through the "Data" and "Home" tabs.

Microsoft's spreadsheet program can do way more than you might realize. These are the hacks and tricks you need to know.

Automated Data Entry in Excel. One way businesses can save time and money is using Excel spreadsheets as data tables in which to store customer information, inventory details or other important data.

In Excel, custom input or error messages explain the rules for each field to prevent data-entry errors. Here's how to set them up in a spreadsheet.