Data validation in Excel lets you restrict what can be entered into a cell, whether whole numbers, decimals, dates, or a certain number of characters. However, one of the most powerful capabilities of ...

Data validation in Microsoft Excel is a great way to limit what can be entered into a cell. However, creating rules using a formula allows you to enforce even more precise parameters—and there are ...

You have set up Excel so that the "quantity must be an integer between 1 and 99." When you type 100 directly, a stop message ...

Prevent duplicates before they happen by combining a simple function with data validation. We may earn from vendors via affiliate links or sponsorships. This might affect product placement on our site ...

Do you think that by using a dropdown (▼) in Excel to select department names, you can prevent inconsistencies in notation?

Drop-down lists in an Excel sheet can greatly facilitate data entry. Here’s a look at how to use Microsoft Excel’s data validation feature to create handy lists within your worksheets. An Excel ...

Q. I am trying to create a formula in our accounting system, but I keep getting errors. What can I do to get the formula to work? A. All Excel users know how powerful formulas are, but sometimes it ...