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.

An easy way to add error messages in Excel is using Data Validation. Create error messages in Excel for creating validations and restrictions in data tools.

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.

How to add a wildcard in Excel Don’t worry if you’re not familiar with wildcards, but they are something you should review because they really come in handy.

Excel Add-Ins are applications written by independent programmers that provide enhanced capabilities for the primary software. Here's how to install, manage, and choose the best Add-Ins available.