Data validation in Excel lets you restrict what can be entered into a cell, whether whole numbers, decimals, dates, or a certain number of characters. However, one of the most powerful capabilities of ...
Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.
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Stop fixing Excel formulas: 5 vital habits for data integrity
Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.
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