What is .WZ file extension?
Game archive used by MapleStore, a two-dimensional MMORPG (massively multiplayer online role-playing game); can store several types of game data, including audio, maps, and character information; used for both the original MapleStory installation files and for game patch updates.
Examples of MapleStory WZ files include Base.wz, Character.wz, Map.wz, and Sound.wz.
NOTE: The WZ extension stands for "Wizet," which is the name of the Korean company that developed MapleStory.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.