ChatGPT can assist with complex Excel formulas, including a VLOOKUP plus IFERROR to return not listed when no match appears.

Stop Excel errors by using these 8 key symbols, like ' to keep leading zeros and ~ to search for literal * or ? characters in data.

Structured references use table columns instead of cell coordinates, making formulas easier to read, update, and trust.

Nothing in your spreadsheet is there by accident.

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...