The other day I had to help a friend online, I needed to publish a paper in PDF.
I found that there is little clear information how.
Here are two plugins to publish in their XPS and PDF and Word files or Excel.
2007 Microsoft Office Add-in: Microsoft Save as PDF or XPS,
allows you to export and save to the PDF and XPS formats in eight 2007 Microsoft Office programs. It also allows you to send as e-mail attachment in the PDF and XPS formats in a subset of these programs.
Microsoft release two PDF related