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 ...

Excel’s data validation feature offers an efficient way to perform a variety of tasks. This collection of techniques demonstrates several handy ways to put data validation to work. From the ebook: ...

Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

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. Excel has several features that ...

Learn a quick and easy straightforward method for creating dependent drop-down lists in Excel using range functions, without relying on complex formulas. By organizing data with dynamic ranges, each ...

In many cases, you want people to enter a valid date, and no other type of information, when they're putting data into a cell in Microsoft Excel. For example, you might be asking people to record days ...

Enter your data or use an existing data. Type into the cell where you want to place the result =SERIESSUM(A2,0,2,D2:D4). Press Enter to see the result. The result is 0.504711076. There are two other ...

Excel formulas allow you to perform calculations, analyze data, and return results quickly and accurately. The usefulness of formulas is even greater once you start dealing with large data sets. With ...