Excel succeeded not because it had the most advanced formulas, but because anyone could open it, type in numbers and see ...

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

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.

The California School Dashboard rates districts on academic performance, absenteeism, graduation rates, how well they’re ...

Xcel Energy will have to provide higher-quality data, and introduce flexible tariffs, following a vote from the Colorado PUC.

Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...