When using LOOKUP, common questions usually involve formula errors, argument understanding, unexpected results, and recalculation checks. This section covers 4 frequent questions.
FAQ
What should I do if LOOKUP shows an error after I enter it?
- Check whether the formula starts with
=. - Check whether the parentheses are paired correctly and whether the arguments are separated correctly.
- Use the syntax prompt to confirm that the lookup value, lookup range, and return range are complete.
- Press Enter again to submit the formula.
How can I view the LOOKUP argument description?
- Select the target cell.
- Type
=LOOKUP(. - Check the syntax prompt that appears near the formula bar.
- Follow the prompt to enter the arguments and review the result.
Why is my LOOKUP result not correct?
- Check whether the lookup range is arranged in the order required by the formula.
- Check whether referenced cells contain numbers stored as text or blank values.
- Confirm that the cross-worksheet reference uses the correct row or column range.
- After changing data, check whether the result updates automatically, and press
F9if you need to recalculate manually.
Can LOOKUP be used for cross-worksheet lookup?
- Yes. While editing the formula, switch to another worksheet and select the referenced range.
- Make sure the lookup range and return range correspond correctly.
- Complete the formula and press Enter.
- Return to the current worksheet and check whether the result is correct.
Glossary
| Term | Definition |
|---|---|
| LOOKUP | A lookup and reference function in a spreadsheet that finds a value in a specified range and returns the corresponding result from the matched position. |
| Syntax prompt | The on-screen argument hint shown while entering a function, helping you confirm argument order and input format. |
| Cross-worksheet reference | A formula reference that uses a cell or range from another worksheet. |
| Recalculation | The process of running spreadsheet formulas again to refresh results after data changes. |