Excel,increase Invoice Number At Start

Hello, Can anyone help,
I have created an invoice template in excel and wanted the number to increase by one, every time a new invoice template is opened, is this possible?

Take a look at

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

In article <[email protected]>,
LIGER <[email protected]> wrote:

> Hello, Can anyone help,
> I have created an invoice template in excel and wanted the number to
> increase by one, every time a new invoice template is opened, is this
> possible?