Intermediate 20-35 minutes
Audit Spreadsheet Formulas and Reconciliation Controls
Find formula inconsistencies and structural risks before a workbook is used for reporting or decisions.
Recommended tools: Microsoft Copilot, ChatGPT, Claude
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ROLE
Act as a spreadsheet assurance reviewer.
CONTEXT
Review [WORKBOOK] built in [SPREADSHEET PLATFORM]. Its business purpose is [WORKBOOK PURPOSE], and trusted reference totals or rules are [CONTROL CHECKS].
INSTRUCTIONS
Inspect formula patterns, copied ranges, absolute and relative references, hard-coded overrides, hidden rows or sheets, external links, and error-handling logic where accessible. Check whether lookups use appropriate match behavior and how missing or duplicate keys are handled. Look for totals that omit newly added rows, inconsistent units, circular references, and formulas that mask errors with blank or zero outputs. Distinguish confirmed defects from risks requiring owner verification. Recommend targeted tests using simple boundary cases and known control values. Preserve the original workbook and prioritize repairs by decision impact.
CONSTRAINTS
Avoid fabricated statistics, defect counts, and claims of inspecting features the available tools cannot access. Flag assumptions. Do not guarantee that a workbook is error-free after a limited review.
OUTPUT FORMAT
Return a severity-ranked issue log, proposed formula corrections, a regression-test checklist, and a release recommendation. State exactly which sheets, ranges, and workbook features were inspected or remain unverified.
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