Most of DAOC's graphics are stored in containers called MPK files. Before the graphics can be examined or used by other programs, they need to be extracted from their MPK containers and saved individually on your hard disk as separate files. This process is called unpacking.
Because DAOC's MPK files use a proprietary format devised by Mythic, you need a program written specifically for DAOC in order to unpack them. Several programs of this kind have been written over the years by players. The program I recommend can be downloaded here for free:
Here are two documents that are useful for understanding DAOC'S MPK file format:
dempak.c by Oliver Jowett.
A forum post by Player X.
This page was created on September 26, 2014 and last revised on September 26, 2014.