Automatic numbering with letters

  • Thread starter Thread starter rayybay
  • Start date Start date
R

rayybay

I need to automatic number using letters instead of numbers, but after "Z" I
need the lettering to be AA, BB, CC, DD ... and should it go over ZZ, I need
it to be AAA, BBB, CCC, etc. Any help would be fantastic. Thanks!
 
This only allows me to start in cell A1, but with my title rows, I have it
starting in A7. Can the formula be modified to allow me to start with A in
A7 instead of G? Thanks!
 
Give this modification to David's formula a try...

=REPT(CHAR(MOD(ROW(A1)-1,26)+65),1+(ROW(A1)-1)/26)
 
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