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title: "IFERROR practice exercises | PracticeExcel"
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> Index of every page on this site: [llms.txt](https://practiceexcelonline.com/llms.txt)

# **IFERROR practice exercises**

Catch errors like #N/A and #DIV/0! and show something friendlier with IFERROR.

[**Start the first exercise**](https://practiceexcelonline.com/practice/iferror/iferror-vlookup)

IFERROR(IFNA(

1. [**1****Hide #N/A with IFERROR**IS is not in the table, so a plain VLOOKUP shows #N/A. In E2, wrap VLOOKUP(D2,A2:B6,2,FALSE) in IFERROR to show "Unknown" instead.](https://practiceexcelonline.com/practice/iferror/iferror-vlookup)
2. [**2****Avoid #DIV/0! with IFERROR****Premium**The lamp has not sold yet, so B2/C2 gives #DIV/0!. In D2, wrap B2/C2 in IFERROR to show 0 instead.](https://practiceexcelonline.com/practice/iferror/iferror-div0)
3. [**3****Catch only "not found" with IFNA****Premium**E-109 is a new hire who isn't in the list yet. In E2, look up the department for D2 with VLOOKUP and wrap it in IFNA to show "Not listed" instead of #N/A.](https://practiceexcelonline.com/practice/iferror/ifna-vlookup-not-found)

## **Functions in this topic**

- [**IFERROR**](https://practiceexcelonline.com/functions/iferror)
- [**IFNA**](https://practiceexcelonline.com/functions/ifna)

## **Read the guide**

- [**Excel for job interviews: what gets tested and how to prepare**](https://practiceexcelonline.com/learn/excel-for-job-interviews)
- [**VLOOKUP vs XLOOKUP vs INDEX MATCH: which lookup to use**](https://practiceexcelonline.com/learn/vlookup-vs-xlookup-vs-index-match)
- [**Excel for finance and accounting: the skills you actually use**](https://practiceexcelonline.com/learn/excel-for-finance)
- [**Excel IF formulas: from one condition to many**](https://practiceexcelonline.com/learn/excel-if-function)

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