Excel’s Advanced Filter Features Made Easy : From Criteria Ranges to Copying Results

Learn advanced filtering in Excel with a criteria area, OR and AND logic, and copy results to isolate the right rows fast.
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3 must-know custom data validation formulas for preventing errors in Excel

Select all the relevant cells, and in the Data tab, click the main part of the split "Data Validation" button. Then, click ...

Stop Rewriting Formulas : Handle Functions Like Data in Excel and Power Query

Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.
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You need to know the difference between a range and an array in Excel

Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...