In this post, we show you how to add error bars to a Microsoft Excel spreadsheet. You can use Error bars for standard deviation & trending margin of error.

If you use Excel to create charts, it’s always good to know what customization options you have for your data entries. Excel allows you to display all sorts of data and possible variations ...

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.