.OPK

.OPK file extension

This is the basic program to work with .OPK extension

Origin

OriginOrigin Module Pack File

A platform for gaming that unites EA fans and provides opportunities to share news and play-throughs. It provides access to a vast library of games of various genres and accumulates everything a player needs to stay connected to the online community and their friends... (more)

The program works with the following extensions: opx, ogg, ogm, opj, ogw and opk

.OPK extension is also supported by the following programs:

OriginPro

OriginProOrigin Module Pack File

It is an application designed for data analysis and publication graphing.
Continental Airlines Timetable

Continental Airlines TimetableContinental Airlines Itinerary