Avoid PivotTable failures caused by merged cells, blank columns, and subtotals, with Power Query steps to clean the source data.
Excel table formulas shift from cell positions to named columns with #All-style tags, keeping calculations readable when layouts change.
PivotTables are static relics; PIVOTBY is the responsive, resilient, and fully auditable future of the modern Excel professional.
Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.