I traded the static results of Flash Fill for dynamic formulas that update automatically.
Excel's query tool reshapes messy imports into 1NF, so AVERAGEIFS replaces hacks and your summaries run faster.
Fix "fake" numbers, strip hidden web spaces, and join text professionally using Excel's built-in legacy and modern tools.
We test Claude in Excel, a beta version add-in requiring a paid plan, and show where it saves time on formula fixes.