File Extension JST

.JST File

File extension: JST
File type: Symbol Database


Notes about the JST file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The JST file type is primarily associated with 'Code Crusader' by New Planet Software. Code Crusader is a graphical Integrated Development Environment (IDE) designed to integrate the tasks of working with source files, compiling, and debugging.

Detailed information for file extension JST:


Primary association: Code Crusader
Company: New Planet Software
File classification: Database

Other applications associated with file type JST:

  • Jnes (Saved Game State File) by JaboSoftJnes is a NES emulator for Win32 platforms that uses DirectX. A file with the JST extension is created by JNES when you save a game during game play. For example, if you play Super Mario Brothers, a file with the name Super Mario Brothers.jst will be saved in the saves subdirectory. On restart, you must open JNES, then Super Mario Brothers, now click CPU then restore. If the JST file isn't corrupt, you should go back to where you left off in the game.



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension JST click this link to expand/hide the additional area.

System Info for File Extension .JST

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: SNS.Worksheet.8
EXEFile: %ProgramFiles%\JUSTSY~1\SNS13\SANSHIRO.EXE /Exist

ProgramID: SNS.Worksheet.8
EXEFile: C:\JUST\SNSWIN8\SANSHIRO.EXE /Exist


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