Whenever I buy stuff online, I save all the receipts as files in the pdf format. How do I do that? It's quite easy. I simply 'print' to the PrimoPDF® printer.
PrimoPDF v3.1 is a totally FREE PDF Converter. You can user it to can create high-quality PDFs by converting from from virtually any Windows application including Word and virtually any other printable file type.
The PDF output can be optimized for print, screen, ebook, or prepress.
There are no annoying pop-up ads and best of all, you don't even need to register. the latest version (ver. 3.1) now supports Windows Vista.