I have designed a worksheet for keeping track of invoice numbers, amounts
and calculations etc split into months. Saving this as a .xlt file works
fine and updates are saved correctly.

The first Tab on the same worksheet is an Invoice Print page into which I
enter a new Invoice Number and details and it prints OK but I have a couple
of questions.

1) As the .xlt file is updated every time I save I have no 'preserved'
record of each Invoice. How can I save each individual Invoice as a record
on my hard drive?

2) I understand that saving in .xlt updates the original so what purpose
does an .xls file serve?

Thanks for any suggestions!

Regards

Bob