Formula Errors

Excel Red Square in a Cell: Check the Error or Warning

Rana GarciaRana Garcia Nov 12, 2026 868 views

Question details

The user needs to identify the meaning of a red square or indicator beside an Excel cell and view the related correction options.

Excel Red Square in a Cell: Check the Error or Warning
Product
Microsoft Excel
Device & OS
not provided
Scenario
A worksheet contains a red square or indicator beside a cell, and the user wants to understand what it represents.
Observed behavior
A red square or indicator appears beside the cell and may signal an error, warning, comment, or smart-tag action depending on the Excel version and cell content.
Before you start

Select the affected cell and note its displayed value, formula, or nearby content. Make sure the worksheet is editable so you can open the indicator menu and apply a suggested correction if needed.

Solution 1Recommended

Select the cell and open the red indicator message

Use this method to determine whether the red square represents an error, warning, comment, or smart-tag action.

The meaning of the indicator depends on the cell content and the Excel version. Opening its message or menu provides the specific explanation and available actions.

1
Select the affected cell

Click the cell with the red square or indicator beside it.

2
Open the indicator

Click the red square, warning icon, or nearby notification that appears after selecting the cell.

3
Read the message

Review the tooltip or menu to identify the error, warning, comment, or smart-tag action.

4
Apply a suggested action

Choose the appropriate correction from the menu, such as correcting the cell content, ignoring the warning, or opening the related information.

Options vary by version: Excel may show different icons and actions depending on the application version, cell content, and enabled checking features.

Inspect Cell Error Indicators in WPS Spreadsheets

WPS Spreadsheets lets you open and review cell warnings while working with familiar spreadsheet formulas and Microsoft Excel files. Select the affected cell, open the displayed notification, and use the available correction or ignore option.

  1. 1. Open the workbook: Launch WPS Office, choose Spreadsheets, and open the Excel XLSX or XLS file containing the indicator.
  2. 2. Select the cell: Click the cell with the red square, warning marker, or notification indicator.
  3. 3. Open the message: Click the indicator or warning icon beside the selected cell to display its explanation and available actions.
  4. 4. Review or correct the cell: Follow the suggested correction, ignore the warning when appropriate, or inspect the formula and cell content manually.
Review spreadsheet cell warnings and formula-related notifications in a familiar interfaceOpen and edit Microsoft Excel XLSX and XLS files with broad format compatibilityUse a lightweight spreadsheet editor for checking worksheet contentContinue working with formulas, cell formatting, and common Excel features
microsoft office alternative - wps office

Frequently Asked Questions

Does a red square always mean that an Excel formula is incorrect?

No. It can indicate an error, warning, comment, or smart-tag action. Select the cell and click the indicator to see its exact meaning.

How can I find the reason for the red indicator?

Click the affected cell, then open the red square, warning icon, or notification that appears. The resulting tooltip or menu describes the issue and available actions.

Can I ignore the warning next to an Excel cell?

If the cell content is intentional, the indicator menu may include an option such as Ignore Error or dismiss the notification. Review the message before ignoring it.

Why do the available red-indicator options differ between Excel versions?

Indicator behavior and menus depend on the Excel version, enabled error-checking features, cell content, and whether the marker represents a comment or smart tag.

Can WPS Spreadsheets open an Excel workbook with these indicators?

WPS Spreadsheets supports common Microsoft Excel XLSX and XLS files. After opening the workbook, select the affected cell and check whether WPS displays a corresponding warning or notification.