Linking Excel workbooks by typing = and clicking a cell in another file feels like a shortcut, but it's actually the number one cause of broken reports and #REF! errors. Instead, use Power Query to ...
How-To Geek on MSN
How to use the LAMBDA helper functions in Microsoft Excel
Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.
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