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

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Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know. Our team tests, rates, and reviews more than 1,500 products each year to help ...

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Make sure to specify that you need the AI-created formula to work in Excel, or if you need it to work in both Excel and Google Sheets, if that's important. Be explicit and clear—reference your ...