Opening WZ Files

The WZ file type is primarily associated with MapleStory.

WZ	File extension: WZ
	File type:	archive file

What is a WZ file?

WZ files mostly belong to MapleStory. WZ files are specialized data containers used mostly in games.
They are designed to hold vital game resources such as images, sprites, sounds, and map layouts.
Main usage:

MapleStory Data: In MapleStory, a game developed by Wizet Packager, these files combine many resources in one archive.

Other applications:

ZIP-based Archive: Some WZ files use the ZIP format, as seen with Warzone 2100. For more details, please see the Warzone 2100 webpage.

GZIP Compression: A few files use GZIP, found in workout data files associated with Workoutz. Visit Workoutz for extra info.

FilExt.com note: These files use both proprietary and standard archive methods to securely bundle game data. You will need tools that can handle either proprietary formats or standard compressions to open or modify them.

How to open a WZ file

You need a suitable software like MapleStory to open a WZ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your WZ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a WZ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online WZ Text Viewer

Choose your .wz file to analyze

or drag and drop it here

Online File Viewer

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WZ format details:

Each file has a definite file format, that is, how the stored data is arranged in the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. When there is a problem with a file, the first step to solving it is to determine the file format. Our analysis of the WZ files produces the following result:

Files with the WZ extension are quite widely used. This file type mainly uses a special format. The following file formats are most commonly found in WZ files:

• 85% of all WZ files are associated with MapleStory game data. These files are binary files, so they do not contain text, but only cryptic characters. The files are often between 1 MB and 1 GB in size. The file type is old but is used even today. The following keywords are characteristic: Package file v1.0 Copyright 2002 Wizet, ZMS and PKG1. The following filename is common: Skill.wz or Item.wz. Such WZ files store data about character, sound, base, effect, quest, string, taming and data.
• 4% of all WZ files use the same file format, which can be identified by the letters "søúÙÃÝËÝÄÈ" at the beginning. If you open these files in a text editor, you will see only illegible characters. WZ files can be up to 250 KB in size, but are often around 450 bytes - 54 KB. Data.wz is a typical file name.

All the rest of the WZ files (11%) have different formats, often, for example, ZIP and GZIP. They are often associated with myworkouts or reactor. Drag & drop your file here to see the file format and a preview of your WZ file!