Counting number of unique values in a list

  • Thread starter Thread starter Marcel
  • Start date Start date
M

Marcel

I have a file with a column listing customer numbers. I
need to know how many customers are in this list, and each
customer number can appear multiple times. I can't find a
simple function for this. What is it? COUNTDIFF doesn't
appear in my list of functions.
Thanks, Marcel
 
Back
Top