In Excel, Outlook, PowerPoint, or Word, for Windows and Mac, you can format (add, change or remove) error bars in a chart.

When your formulas have errors that you anticipate and don't need to correct, but you want to improve the display of your results. There are several ways to hide error values and error …

If your formulas have errors that you anticipate and don't need to correct, you can improve the display of your results by hiding error values and error indicators in cells.

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.

Formulas can sometimes result in error values in addition to returning unintended results. Learn about best practices to avoid those problems.

Error Bars - Error bars help you see margins of error and standard deviations in data at a glance. You can choose to show standard error amount, a percentage or a standard deviation.

There’s currently no way to use rules that check your formulas for errors in Excel Online. If you have the Excel desktop application, you can use the Open in Excel button to open your …

Learn best ways to select a range of data to create a chart, and how that data needs to be arranged for specific charts.

Set varying colors of data markers (bars, columns, lines, pie or doughnut slices, dots, and other shapes) automatically in an Office chart.

You can read the formula as: "Calculate the formula, but if there's any kind of error, replace it with two dashes." Note that you could also use "" to display nothing instead of two dashes.