Excel highlights common formula errors with a green triangle in the top-left corner of the cell. Errors such as division by zero (\(/\)), incorrect cell references (\#REF!), or missing values (\#N/A) are flagged. To address these errors:
Click on the flagged cell to reveal the error button.
The error button provides options such as “Edit in Formula Bar,” “Ignore Error,” or “Help on this Error.”
Choose the appropriate action based on the type of error and correct it.
This feature ensures formula accuracy and data consistency in workbooks.