Excel's COUNT function produces a number of cells containing any value, but only COUNTIF and COUNTIFS can use conditions to narrow your results. The COUNTIF function is used for one condition, while ...
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Excel's Custom Data Validation: A Trick You Didn't Know You Needed
If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the Data tab on the ribbon, and created the rule in the Data Validation dialog ...
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