The syntax for counting the number of unique values from a list of a column using the array formula is as follows: =SUM(IF(COUNTIF(<first cell from which you count the number of unique values>:<last ...
Open the concerned Folder Select one item Press Ctrl+A Look in the bottom left corner. You will see the number there. To print a list of files in a folder (including its sub-folders) in Windows 11, ...
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