Did you retain the QR code in the original macro, or did you change it to a CODE39? If you want the CODE39 then you need to change the line

to
As for the rest, I don't understand what you mean. You can edit the calendar body in any way you wish using VBA. It is essentially a Word document.

The body you suggested looks like:

VIN: (Vehicle Identification Number)
OD: (Mileage)
Plate: (Licence)
Sticker Number: (Certificate Number)
Insert Number: (Certificate Number)

What do you want the finished body to look like?

__________________
Graham Mayor - MS MVP (Word) (2002-2019)
Visit my web site for more programming tips and ready made processes www.gmayor.com