You must have had an add-in loaded. XL doesn't have that function. You
can do something similar using the techniques he

http://www.mcgimpsey.com/excel/sequentialnums.html


In article ,
"holdfastchris" wrote:

I have developed an order book on excel. I used to have a button that when
applied gave me sequential numbers, so each order was unique.

After a computer crash I have set up again but cannot locate the button on
any of the tool bars.

Any advice please?

Regards
Chris