File Extension Database

Open 3DSX File

A 3DSX extension file is a homebrew launcher file used by 3DS software exploits such as ninjhax, ironhax, or tubehax to run homebrew.

The 3DSX file contains executable code that is run to launch homebrew applications, which are unofficial software packages created by hobbyist developers for closed game systems.

In other words, on a 3DS, the homebrew allows you to customize the start menu and play old SNES games and out-of-region games.

The 3DSX format is designed to allow one homebrew to be launched when another is already running.

3DSX files are not intended for use on computers, as they are used on 3DS devices to run homebrew, however, you can put the 3DSX file on an SD card inserted into your Windows computer using File Explorer or on Mac using the Finder.

That said, the 3DSX file should not be opened manually on a computer, therefore there is no PC application to work with them.

How Can I Open 3DSX File on Windows

We researched and learned that the best way to open 3DSX file is to find a 3DSX file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a 3DSX file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open 3DSX file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as 3DSX file opener then try to search online for "3DSX viewer", "application to open 3DSX file" or "open 3DSX file" queries in the search engine you like.
Install the application you found and check if it can open 3DSX file

How Can I Open 3DSX File on Mac OS

We recommend to find a 3DSX file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a 3DSX file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with 3DSX file.
If you know the Mac OS application which can work as 3DSX file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open 3DSX file in it.
If you don't know the application which can open 3DSX file then try to search for "3DSX viewer", "application to open 3DSX file" or "read 3DSX file" queries in the online search engine you like.
Install the application you found and check if it can read 3DSX file

How Can I Open 3DSX File on Android

If you downloaded a 3DSX file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded 3DSX file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "3DSX".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "3DSX viewer", "3DSX file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open 3DSX File on iPhone or iPad

To open 3DSX File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the 3DSX file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "3DSX". This way you can find apps which can open 3DSX files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "3DSX viewer" or "3DSX file" online in your favorite search engine.