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90% of Excel spreadsheets contain errors: Here’s how to fix yours

A common source of errors in Excel is "the gap"—a situation where you add new data to the bottom of a list, but your formulas ...

Build Faster Excel Workflows Using FILTER, IFS, XLOOKUP, and LET for Real-World Data

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