I inherited a big model and have been trying to reverse engineer some of the formulas. There are a lot of fields. I am not sure if everyone of them is necessary.
Is it possible to search an Excel document (with 5 worksheets) to find if say, AZ12 is used in any formula? Or $AZ12 or $AZ$12?
Tools > Formula Auditing > Trace Precedents or Trace Dependents (Excel 2003)
Formulas > Trace Precedents or Trace Dependent (Excel 2010)