Add or Remove Programs entry for XML Paper Specification Shared Components Pack 1.0. XML Paper Specification or XPS is Microsoft's standard format for portable documents, similar to the PDF format. The XML Paper Specification (XPS) provides users and developers with a robust, open and trustworthy format for electronic paper. The XML Paper Specification describes electronic paper in a way that can be read by hardware, read by software, and read by people. XPS documents print better, can be shared easier, are more secure and can be archived with confidence.