Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

A roundup of the most-read Carolyn Hax columns of 2025 includes a woman’s birthday obsession, a flight-tracking in-law and a petty inheritance decision. Tensions can run high during the holidays.

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Get ready for your aha moment: Every weekday, host Meghna Chakrabarti pierces your news bubble to expose the whole story. Getting answers to the questions that need to be asked, examining our history ...