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