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IFERROR
A medium decision formula that turns simple rules into automatic sheet logic.
Syntax
=IFERROR(...)Step-by-step explanation
- 1Understand the job that IFERROR solves before you type the formula.
- 2Build or select the cells and ranges that IFERROR needs before typing it.
- 3Check the output and refine the range or criteria if needed.
Common mistakes
Missing commas or parentheses
Putting text in the wrong quotation marks
Over-nesting too many conditions
Example table
A quick scenario to connect the syntax to the result.
| 12 | 18 |
| 8 | 68 |
Formula
=IFERROR(A1:B2)
Result
68
Worked example
- 1Read the sample data first so you know what the formula needs to solve.
- 2Enter =IFERROR(A1:B2) in the result cell and press Enter.
- 3Check that the output matches 68.
Practice area
Use IFERROR to mark a score, status, or outcome in a realistic worksheet.
Match against the syntax block above.