What is a .JAR File And How To Open It – Oracle (Simple Steps)

Table of Contents

Introduction

While downloading files, you might have downloaded a file with the .jar extension. You most likely know what the file is, but you might be unsure on how to open it. Don’t worry! This article explains everything about the .jar file extension, how to open and work with it on various systems.

What is a .JAR file?

The .JAR file extension stands for Java Archive File. It was developed by Oracle. The format of this file is zip, and it is a executable file.

What to know

There are currently 5 software that can open the .jar file on 3 platforms.

How to open a .JAR file?

Below we have written a comprehensive guide on how to open the .JAR file on various operating systems.

How to open a .JAR file on Windows (7, 8, 10)

The .jar file can be opened in 4 steps on Windows.

1. The first step is to download the RARLAB WinRAR software. This software will be used for opening the file. The other software that you can use is Oracle Java Runtime Environment, Corel WinZip, 7-Zip and RARLAB WinRAR.

Step 2

Step 2: Locating your .JAR file

2. In the second step you need to locate the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Choose “Open with”

3. In the third step right click on your file and choose “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the RARLAB WinRAR software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

How to open a .JAR file on Mac

To open the .jar file on Mac, please follow these 4 easy steps.

1. In the first step you need to download the Oracle Java Runtime Environment software. You will be using this software in order to open the file. The other software that you can use is Corel WinZip Mac and Oracle Java Runtime Environment.

Step 2

Step 2: Finding your .JAR file

2. In the second step you need to locate the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Clicking “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choosing the software to open your file

4. In the fourth step, after clicking “Open with”, you should see the Oracle Java Runtime Environment software that you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Mac.

How to open a .JAR file on Linux

Below you can see a visual guide on how to open the .jar file on Linux in 4 easy steps.

1. The first step is to download the Oracle Java Runtime Environment software. You will be using this software in order to open the file. Other software that can be used in opening this file is: Oracle Java Runtime Environment.

Step 2

Step 2: Locate the .JAR file

2. In the second step you need to locate the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Hover over the “Open with” button

3. In the third step right click on your file and choose “Open with”.

Step 4

Step 4: Open the file choosing the software

4. After choosing the “Open with” option, you will have an option to choose the Oracle Java Runtime Environment software you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Linux.

Still cannot open the .JAR file?

If you cannot open the .JAR file, it is entirely possible that you are trying to open the wrong file. The .JAR file extension is similar to other file extensions such as: .jar.pack – Oracle, .jarvis – Jarvis Acting Company, .jas – Cheetah3D, .jasper – Jaspersoft, .jav – Oracle. You might be trying to open one of them. Please recheck the file extension again.

Conclusion

In this article you have learned how to open the .JAR file with the RARLAB WinRAR, Oracle Java Runtime Environment, Corel WinZip, 7-Zip programs on Windows, Oracle Java Runtime Environment, Corel WinZip Mac programs on Mac and Oracle Java Runtime Environment software on Linux.