Microsoft Office 2007 suite allows users to save files in Portable Document Format (PDF), which is a common format for sharing documents.

Direct download links to PDF and XPS Office 2007 add-ins.

2007 Microsoft Office Add-in: Microsoft Save as PDF and XPS : SaveAsPDFandXPS.exe

2007 Microsoft Office Add-in: Microsoft Save as PDF : SaveAsPDF.exe

2007 Microsoft Office Add-in: Microsoft Save as XPS : SaveAsXPS.exe

By using the add-in above, you can save or export a file from your Microsoft Office program into the following formats:

Portable Document Format (PDF)

PDF is a fixed-layout electronic file format that preserves document formatting and enables file sharing. The PDF format ensures that when the file is viewed online or printed, it retains exactly the format that you intended, and that data in the file cannot be easily changed. The PDF format is also useful for documents that will be reproduced by using commercial printing methods.

XML Paper Specification (XPS)

XPS is a fixed-layout electronic file format that preserves document formatting and enables file sharing. The XPS format ensures that when the file is viewed online or printed, it retains exactly the format that you intended, and that data in the file cannot be easily changed.

(Definitions from Microsoft Office Help)