Microsoft XPS Document Writer (MXDW) generates OpenXPS (*.oxps) files by default in Windows 8. If you enable this group policy setting, the default MXDW output format is the legacy Microsoft XPS (*.xps). If you disable or do not configure this policy setting, the default MXDW output format is OpenXPS (*.oxps). Fix: (1) GPO: Computer Configuration\Administrative Templates\Printers!Change Microsoft XPS Document Writer (MXDW) default output format to the legacy Microsoft XPS format (*.xps) (2) REG: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Printers!MXDWUseLegacyOutputFormatMSXPS