File extension oxps is used by following file type(s):

File extension oxps file type description:
Microsoft Windows 8 Reader OpenXPS document file

The OXPS file extension is associated with the OpenXPS (Open XML Paper Specification) file format. XPS file format was developed by Microsoft and Ecma International for an electronic representation of digital documents that can be can easily created, shared, printed. It is fixed layout format, like PDF document format.

The standard file extension for OpenXPS document files is .xps, however it can be also used .oxps file extension. OXPS document files can be opened in the Microsoft Windows 8 Reader.

Mime: application/oxps

that open oxps files:
Microsoft Windows 8 (Microsoft Windows)