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 ...

Excel has plenty of flashy features, but few are as useful day after day as data validation. Drop-down lists were one of the first Excel features I learned that felt genuinely advanced, and I still ...

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

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 ...

Combine an Excel custom format with data validation and remove the pressure for input perfection from personnel by letting Excel do the work. Validating Microsoft Excel data is vital to prevent ...