Excel formula troubleshooting guide with AI checklist

Checklist

Raw source material is preserved before AI edits begin.The desired output format is written explicitly.Edge cases, missing values, and exceptions are listed.The first output is reviewed against real examples.The final prompt is stored for reuse.Sensitive or policy-heavy cases get manual review.Paste the formula and the expected result.Show one row that works and one that fails.Ask for likely causes before the fix.Test the repaired formula on a sample sheet.

Mistakes to avoid

pasting only the error message

Make the prompt more specific, keep the source data visible, and review the output before using it in a live workflow.

not showing the expected result

Make the prompt more specific, keep the source data visible, and review the output before using it in a live workflow.

ignoring duplicate keys

Make the prompt more specific, keep the source data visible, and review the output before using it in a live workflow.

accepting a fix without a sample test

Make the prompt more specific, keep the source data visible, and review the output before using it in a live workflow.

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