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Data Cleaning Formulas
Clean messy spreadsheet data with the right formulas.
Updated June 2026
The prompt
Help me clean this messy data in {{tool}}: {{data_problem}}. Provide formulas or steps to fix common issues (inconsistent text case, extra spaces, split or combined columns, date formats, duplicates, find-and-replace patterns), explain each, note the order to apply them, and how to verify the result. Recommend doing it non-destructively in a new column first, and flag any cleaning that needs a human judgment call rather than a formula.
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AI Khazna
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