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.

Learn why Excel’s Advanced Filter sometimes returns partial matches — and how to control or fix it for precise data filtering ...

Is Excel's Clean Data button the ultimate time-saver for messy spreadsheets? Find out how it works, its quirks, and how it compares to Power Query ...

Community values and attitudes have changed over the years and historical records may contain language that would now be considered offensive or discriminatory. Historical records may also present a ...