How to Spot Missing Data in Excel Instantly

Learn how to efficiently undo accidental spreadsheet cell selections to restore your workspace. This guide demonstrates how to use keyboard shortcuts to quickly revert unintended clicks.

Emma Chieppor
5 steps
57 seconds

Microsoft Excel

Click the first blank cell under “MISSING: Not Billed in Q4” (H4).

Enter this formula "[[=FILTER(B4:B63,NOT(COUNTIF(E4:E51,B4:B63)))]]".

Review your data to identify customers who were not billed in Q4.

Select the “Master Customer List” header (B3).

Done!