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File extension Details of JAR, JSE, JS, JSX, WIDGET, WS, WCM, WPK, WSF

Name:JAR
File Type:Java Archive File
Popularity:4
Category:executable
File Description:Archive that contains multiple Java files and is compressed using .ZIP compression; stores Java classes and metadata and may be digitally signed; runs as a program if the Java Runtime Environment (JRE) is installed on the computer.

JAR files are used by Mozilla Firefox, Thunderbird, SeaMonkey, and Sunbird to store themes and add-ons.
Open Programs: Mac OS Java Runtime
Any Web browser
Windows Java Runtime
Corel WinZip
Any Web browser
Name:JSE
File Type:JScript Encoded File
Popularity:3
Category:executable
File Description:Script written in JScript programming language
Open Programs: Windows Run with CScript or WScript
Edit with a text editor
Name:JS
File Type:JScript Executable Script
Popularity:3
Category:executable
File Description:Executable script written in JScript, Microsoft's version of JavaScript
Open Programs: Windows Windows-based script host (Wscript.exe)
Name:JSX
File Type:ExtendScript Script File
Popularity:3
Category:executable
File Description:Script written in the ExtendScript language; used for writing plug-ins for Adobe Creative Suite (CS) applications; may be created using the ExtendScript Toolkit included with Adobe Utilities.

ExtendScript is a proprietary scripting language developed by Adobe that is similar to JavaScript.

NOTE: Adobe After Effects script files also use the .JSX file extension.
Open Programs: Mac OS Adobe ExtendScript Toolkit Windows Adobe ExtendScript Toolkit
Name:WIDGET
File Type:Yahoo! Widget
Popularity:3
Category:executable
File Description:Small program referred to as a "widget" that is run by the Yahoo! Widget Engine; formerly run within Konfabulator, which is now part of Yahoo!
Open Programs: Mac OS Yahoo! Widget Engine Windows Yahoo! Widget Engine
Name:WS
File Type:Windows Script
Popularity:5
Category:executable
File Description:Executable script for Windows that can incorporate JScript and VBScript routines and may include XML elements; runs when opened if Windows Scripting Host (WSH) 2.0 or later is installed.

NOTE: Do not open as an e-mail attachment, since WS files can contain viruses or other malicious programs.
Open Programs: Windows Microsoft WScript
Edit with a text editor
Name:WCM
File Type:WordPerfect Macro
Popularity:3
Category:executable
File Description:Runs a series of commands or automates a task in the WordPerfect word processing program; can be created/recorded by selecting Tools->Macro-Record within WordPerfect.
Open Programs: Windows Corel WordPerfect
Name:WPK
File Type:WordPerfect Macro   (Most common)
Popularity:3
Category:executable
File Description:Macro that automates a certain function or set of tasks in the Corel WordPerfect word processing program
Open Programs: Windows Corel WordPerfect
Name:WSF
File Type:Windows Script File
Popularity:4
Category:executable
File Description:Executable script for Windows that can incorporate JScript and VBScript routines and may include XML elements; runs itself if WScript or CScript is installed.

NOTE: Do not open unknown WSF files, since they can contain viruses.
Open Programs: Windows Microsoft WScript
Microsoft CScript
Edit with a text editor
Name:TMS
File Type:Telemate Script
Popularity:2
Category:executable
File Description:Script that runs commands in Telemate, an older DOS communications program; often used as a connection script for connecting to a bulletin board system via a dial-up modem.
Open Programs: Windows Telemate

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