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 ...

Excel's COUNTIFS() function is flexible enough to handle different ranges and data types. In Count the number of Excel records that fall between two dates, I used the COUNTIFS() function to count the ...

Most spreadsheet problems come from static cell ranges—Excel tables replace them with dynamic, self-managing data structures.