Remove the $$ from the cell reference:

=NOT(Z6="")

HTH
Kostis Vezerides

On Jul 3, 2:30 pm, ShoDan wrote:
here is the formula I am using =NOT($Z$5=")

how do I copy or drag the formula down and have it change to

=NOT($Z$6=") then copy or drag it to change in the rows following each other
to
=NOT($Z$7=")
=NOT($Z$8=") and so on