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.

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.

One of the most common tasks in data analysis is counting unique entries within a dataset. This process can be time-consuming and prone to errors when done manually, but Excel 365 offers a ...

Learn how to add, configure and use checkboxes in Excel to create interactive task lists and trigger formatting without relying on macros.

There are a few ways to count the number of items in an Excel list, depending on the data you have. One way is using the COUNTIF function.