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 create charts with Excel, error bars allow you to visualize margins of error for data points. Here's how to add error bars in Excel.

The #NULL error occurs when you use an incorrect range operator in a formula or when you use an intersection operator between range references. Here's the fix!

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.

To create data bars in Excel, select your cells and then choose data bars from Conditional Formatting.