Excel formula before and after examples 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 current formula and expected result.Provide one row that works and one row that fails.Ask for a revised formula and explanation.Document why the new version is safer.

Mistakes to avoid

only pasting the formula without data shape

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

accepting a rewrite without comparing outputs

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

not documenting changed assumptions

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

over-optimizing readability away from correctness

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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