Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

Every week, we ask readers to think like an advice columnist and submit their advice to a question Carolyn Hax hasn’t answered. Carolyn Hax writes a daily advice column for The Post and has a weekly ...

Peggy Noonan is an opinion columnist at the Wall Street Journal where her column, "Declarations," has run since 2000. She was awarded the Pulitzer Prize for Commentary in 2017. A political analyst for ...

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