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 ...
How-To Geek on MSN
Microsoft Excel isn't a database, please stop using it like one
Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results