Understanding, organizing, and validating data directly affects the accuracy of stories. New tools make cleaning accessible ...

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a programming language. Instead of scattering your intermediate calculations ...

Learn Paste Special math, Flash Fill patterns, Go To Special filters, and the F4 shortcut to clean data fast and share Excel ...

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 asterisk (*) is the wildcard character that represents any sequence of characters, including when there are no characters at all. It’s the most flexible of the bunch, since it can replace any ...

The Washington Post, beginning Nov. 1, 2019, will allow its syndicated columns to appear only in print. The columns will still be available as part of our e-edition newspaper online, but they will not ...