; formulas that areinconsistentor different from formulas in surrounding cells; and numbers formatted as textdata.

When you select a cell with a green triangle, theError Optionsbutton appears next to it.

TheError Optionsbutton is a yellow diamond with a gray square background.

Green triangle and yellow diamond in Excel

It offers options for correcting the perceived error.

Go toFileand selectOptionsto open theExcel Optionsdialog box.

In theError Checkingsection, clear theEnable background error checkingcheckbox.

A screenshot showing the Excel Options dialog box with the Formulas tab selected

SelectOKto accept the change and close theExcel Optionsdialog box.

You’ve now turned off the green triangle indicators.

Changing the Error Checking Rules

Make changes to error-checking rules in the Excel Options dialog box.

Screenshot of Excel Options on Formulas tab

SelectOKto apply the changes.

You’ve set your new error-checking rules.

SelectOKto accept the change and close theExcel Optionsdialog box.

Screenshot of Formulas tab in Excel Options

You’ve changed the color of the error-indicating triangles.

To read the comment, hover over the cell containing the red triangle.

A text box containing the comment appears next to the cell.

Screenshot showing “Indicate errors using this color option”

To change the comment options:

Select theAdvancedtab.

SelectOKto accept the changes and close theExcel Optionsdialog box.

Screenshot showing red triangle and purple polygon indicating notes and comments

Screenshot of Advanced tab in Excel Options

Screenshot of Display section of Advanced tab in Excel Options