Modern Excel functions like IFS, SWITCH, XLOOKUP, SUMIFS, and LET replace most nested IF use cases.
Overview Excel remains a core tool for data analysts, and a small set of functions can handle most tasks related to lookups, ...
Hidden reference shifts, invisible spaces, legacy function fragilities, and blanket error handling can quietly distort results without warning.
Excel still takes hours out of your week. You write the same formulas by hand, fix broken data, and copy numbers between tabs before any real work starts.