Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors ...

Learn when FILTER beats XLOOKUP, when it does not, and how to handle multiple matches, nth items, and multi-condition lookups with clear steps.

Learn how DROP, REDUCE, LAMBDA, and STACK make Excel arrays update automatically, split text, and stack filtered results ...

Excel's VALUE function has only one argument: where a is the value stored as text that you want to convert into a number.