When using the countif function to find duplicate rows in a list, make sure to press Ctrl+Shift+Enter to convert the function into an array function.
What is countif function?
A built-in Excel tool called COUNTIF which measures the specified number of cells. Date, number, and text-containing cells can all be counted with COUNTIF. Logical operators and qualifiers can be used to match only a portion of the parameters used in COUNTIF.
In Excel, Ctrl Shift-Enter simplifies the transformation of the information into an array format with numerous data values. The conventional formula and the array formula in Excel can also be identified using this feature.
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