Microsoft has just released this office Add-in to allow a user to save their documents as PDF or the new  XPS format 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. Specific features vary by program.

You can download this Add-in from here.

What is XPS ??

The XML Paper Specification (XPS) describes the XPS Document format. A document in XPS Document format (XPS Document) is a paginated representation of electronic paper described in an XML-based format. The XPS Document format is an open, cross-platform document format that allows customers to effortlessly create, share, print, and archive paginated documents.