If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.

The most basic example of a GETPIVOTDATA formula in Microsoft Excel is when the function is used to retrieve a grand total of ...

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel's FILTER() function.

Tips More complex default value setting requires Excel Macro scripts to be written, for example, setting a different default value depending on the value of other columns in the spreadsheet.