Are you looking to:

• Quickly find the sources of all your #REF errors found in some cells?
• Audit your model for potential undetected problems?

Simply use Excel’s Find functionality to find all of the #REF errors.

• Press CTRL-F to launch the “Find” dialog
• Type #REF in the “Find what:” section
• Click the “Options” button to expand the dialog, if it’s not expanded yet.
• Select “Workbook”in the “Within” drop-down
• Click “Find All”

Your Find dialog should look like this

Note that, you won’t find #REF in names and hidden worksheets, but you will find those in hidden cells, as long as the worksheet is visible.

Bonus tip

The next time you have an unused section or worksheet you’re thinking of deleting:

1. Save your document
2. Check for #REF using the steps above
3. Delete your section
4. Check again for #REF