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.

Replace broken brackets in Excel with clear, flexible Power Query rules that handle real-world data effortlessly.

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