Audit hidden data, filters, and hard-coded values to ensure your Excel spreadsheets are professional and precise.

Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.

See how try and otherwise protect custom column math from type errors in Power Query, saving time and keeping your refresh ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with confidence.

Tabular foundation models are the next major unlock for AI adoption, especially in industries sitting on massive databases of ...

Ryan Eichler holds a B.S.B.A with a concentration in Finance from Boston University. He has held positions in, and has deep experience with, expense auditing, personal finance, real estate, as well as ...