Strange title I know, soz...
k so here's the thing. Say you had a list
a
b
c
d
e
f
Now when it gets to `f` I want it to go to
a1
b1 and so on
so I made a lil list on a adjacent column
1
2
3
4
I'm saying to excel:- ok when you complete the first list, then CONCAT `A` & (cell ref for #1 )...