JAR stands for Compressed Archive Format For Java Classes And Data Format file. These files are used by the Java Runtime Environment (JRE) to execute a program. They can serve as libraries of reusable components or as standalone programs.
JAR files are ZIP files that contain .class files that make up a library or a program. These files also contain Meta information inside the META-INF/MANIFEST.MF.JAR files can also contain digital signatures of the developers who created the file. These files also contain versioning and dependency information that is required for the program that they contain to be useful.
| File type | Compressed Archive Format Package For Java Classes And Data Format |
| Developer | Oracle |
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While searching for an answer to the question - How to open the JAR file? - you probably found websites, which offer software that was able to open any file extension. Do not be fooled, there is no one program that will allow you to work with any file extension, including the JAR file. Each program contains a different type of data and you need specialized software to properly work with the JAR file. Here is a list of programs that are designed to work with the JAR file - remember, these applications are able to open at most a few file extensions, they are designed to work with a specific data type.
If after installing the program from a list, you still cannot open a file with the JAR extension, the reason may be that the file is damaged. The solution may be to find a new copy of the JAR file you want to open
In this case, the easiest way is to use the tool built into the operating system for association of the JAR file with applications to support it. Double click on the file you cannot open - the operating system will display a list of programs that are likely to work with your JAR file. Choose one of them, or select the location on a disk where you installed one of the applications from our list. Windows should then open the JAR file using the program installed earlier.
Entries containing links of the JAR file extensions with applications is located in the HKEY_CLASSES_ROOT. If you do not know how to get to the Windows Registry, or how to make changes in it, ask a specialist for help. Lack of knowledge on the subject may cause irreversible changes on your computer.
There may be a situation when a computer virus passes itself off as the JAR file. In this case, such a file will definitely not be opened. Download a good antivirus program and scan the JAR file mentioned. If the antivirus application detects malicious data, it may signify that the JAR file is infected.
| JARVIS | Jarvis Subscriber Format |
| JAX | Java Executable JAR |
| JAI | Jaikoz Settings |
| JAVA | Java Language Source Code Format |
| JAR | Compressed Archive Format Package For Java Classes And Data Format |
| JADE | Jade Programming Language Source Code |
| JA | Jet Archive |
| JAN | Janome Digitizer Embroidery Object |
| JASPER | JasperReports Data Format |
| JAS | Corel PaintShop Photo Pro Bitmap Graphics Format |
