More specifically, a program that can open the .oxps file is not installed on the computer. Note The .oxps format is the default XPS document format in Windows 8. Typically, .oxps files are created when users print to a Microsoft XPS Document Writer (MXDW) printer on a computer that is running Windows 8.
RTF is a cross-platform format for storing labeled text documents, created jointly by Microsoft and Adobe, as meta-tags for the format Word in 1982. Adobe has in 1985 continued to develop the format and created a language PostScript. The basis is a simple text format, control sequences which are not macros that are available for change, and teams with a fixed behavior.