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Understanding, organizing, and validating data directly affects the accuracy of stories. New tools make cleaning accessible ...
Learn when FILTER beats XLOOKUP, when it does not, and how to handle multiple matches, nth items, and multi-condition lookups with clear steps.
Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors ...
The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...