Manuel Tipgos

This article walks you through different methods and built-in tools that can be used to audit and debug Excel spreadsheets.

95% of all spreadsheets contain errors. So, it is almost certain that your spreadsheets are wrong.

See our bibliography of spreadsheet best practice, risk management, errors and testing, and methods for improving spreadsheets.

"Oh My God" my formulas are not working! This article covers most of the reasons for Excel formulas not working. And how to fix them.

Errors in the data, formulas, or manipulation of spreadsheets could be costly, even devastating.

Do you document your spreadsheets? We use the FizzBuzz word game to illustrate the importance of documenting your spreadsheets.

Your spreadsheets may be disasters in the making. Strive for spreadsheets that are validated, reliable, and auditable.

Spreadsheet audit and review procedures are an essential part of almost all City of London financial transactions.