MCCM Wiki
Spreadsheet formula assist limits
AI spreadsheet formula assist is useful for drafting formulas and explaining errors on copies of data. It becomes dangerous when it edits production workbooks without checks or invents business logic you cannot explain.
Every office has a hero sheet. AI can speed formula work. It can also silently change a margin definition that leadership has used for years.
Safe uses
Explain a #REF, propose a VLOOKUP shape on a sample tab, or draft a helper column on a copy. Keep production sheets read-only to the model when possible.
Hard limits
No silent edits to shared finance models. No accepting formulas you cannot narrate in one sentence. No trusting AI on tax, payroll, or inventory counts without reconciliation to source systems.
Verification ritual
Compare totals to a known baseline row count and sum. Spot-check edge cases. If the sheet feeds a decision, treat the formula like code: review, version, owner.
KPI for a pilot
Time to a correct formula on a copy, plus defect rate found in review. Not “formulas generated.” Pair with decision-ready habits from data analysis without a DS team.
Training angle
MCCM training ends with staff fixing one live sheet under review, not watching formula magic on stage. See AI training that sticks.
Related
Data analysis without a DS team · KPI · What an AI audit should deliver