How to change Publisher files to PDF format?

I need to change three years of newsletters on Publisher to a format all can open. I intend to save them on a CD. Need URLs or good answer, but not too techy.How to change Publisher files to PDF format?
www.primopdf.com



Install the program, then in publisher push print and choose the Primo PDF creator.



More information about the program, it will install a virtual printer which will basically output anything you wish to print onto pdf format. So you could use this program to create PDF files from Word Documents, paint pictures, and 99% of all print options in any program as it interacts mostly with the printer spooler (it only gets information on what to print and not what it is, where it originates from or any such extra information)How to change Publisher files to PDF format?
PDF995 is free, and will install a virtual printer on your computer, and in doing this will convert the files to PDF. It's pretty simple and easy to use.

http://www.pdf995.com/