File Extension Library

.SZS File Extension

  • Category: Data Files
  • Format: Binary

What is an .SZS file?

.SZS file extension has been classified as Data Files. The format of .SZS file is Binary

.SZS is Wii Game Data File

Data file used by games for the Nintendo Wii; most commonly known for storing 3D model and texture data for the Wii game Mario Kart, but also used by other games for the same kinds of data as well as other types of data; sometimes modified by the homebrew and modding communities to create custom Mario Kart graphics.

SZS files for Mario Kart are stored in a format called the U8 archive format and they are compressed with a method called Yaz0 compression.

List of all softwares that can open the Wii Game Data File
SZS Modifier
Wiimms SZS Tools
Wiimms SZS Tools
Wiimms SZS Tools
File Type 2:

GameCube Data File

Category: Game Files Format: Binary

Game archive used by some games for the GameCube console system, such as Super Mario Sunshine; can include various model and bitmap graphics data for the game; sometimes modified by homebrew users.

NOTE: GameCube SZS files may not be compatible with programs that open the Wii SZS format.

List of all softwares that can open the GameCube Data File
File Type 3:

Nintendo Switch Game Data Archive

Category: Game Files

An SZS file is a game data archive used by Nintendo Switch games, such as Mario Kart 8 Deluxe and Splatoon 2. It typically contains 3D model and texture files used by a Switch game and is compressed using the Nintendo Yaz0 compression format. SZS files are often modified by the homebrew and modding communities to alter the appearance of characters and objects in Switch games.

You can extract the contents of SZS files using Uwizard in Windows. You can also use MK8Snitch for decompressing, editing, and recompiling SZS Mario Kart 8 Deluxe SZS files.

NOTE: SZS files are also commonly used to store game data for Nintendo Wii and GameCube games. However, Switch SZS files may not be compatible with programs that open the Wii or GameCube SZS formats.

List of all softwares that can open the Nintendo Switch Game Data Archive

How to Open .SZS file on different platforms

Open .SZS File on Windows

  • Right-click a .SZS
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .SZS file and Select check box "Always use this app to open .SZS files" Press "Ok"

Open .SZS File on Mac

  • Right-click (or Ctrl + Left-click) the .SZS file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .SZS File on Linux

Right click on the .SZS file, choose "Open with" and select a program from the list above

Open .SZS File on iPhone

Select a file. If you don't see an application to open the .SZS file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .SZS File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .SZS files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .SZS files

  1. You need to update the application that you normally use to open .SZS files. Only the latest version of the software supports the current .SZS file format
  2. You need to check the .SZS file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)