Instant Excel download · Worldwide

Trace the formula before you rewrite the workbook.

Use a structured six-check diagnosis and twelve boundary tests for formulas that return zero, blanks, stale values or inconsistent row results.

CAD 5

Secure Stripe checkout. ZIP delivery after confirmed payment.

What the workbook contains

  • Editable formula, workbook, expected-result and actual-result fields
  • Six checks for branches, spaces, data types, references, recalculation and hidden errors
  • Status dropdowns with automatic counts and next action
  • Twelve boundary-test rows with automatic Match, Review and Not tested results
  • Quick-start text file inside the ZIP
Macro-free. The workbook does not upload data or execute the formula you paste. It organizes diagnosis and test evidence.
Preview of the Excel Formula Debug Workbook checklist

Choose the right level of help

This CAD 5 download is for self-guided diagnosis. If you want the formula reviewed in context, the separate CAD 9 service includes a written likely cause, suggested correction and boundary-test checklist.

See the CAD 9 formula review

Direct Checkout is intended for Canada/US customers and international business buyers. EU/UK consumers should email before paying. General troubleshooting only; not financial, tax or accounting advice.