What is a JAR file?
The Java ARchive, JAR file, is a package file format. Its format is based on the ZIP file and can compress multiple files together. The JAR files can be used in program libraries or standalone programs. The JAR files can also be signed so that people can authenticate the files. Some of its most notable features are that it is the only cross-platform archive format, can handle audio, image, and class files, and is an open standard, filly extendable and written in Java.
How to Open JAR Files
How to Make JAR Files
Below are some software programs that can open JAR files. Download one to open your file now.