.JAR.PACK File Recovery

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .JAR.PACK file recovery guide for Windows, MacOS, Android and IOS in 2024.

JAR.PACK File Recovery

What is a .JAR.PACK file?

File created by Pack200, a Java 1.5.0 utility used to package .JAR files; contains a compressed JAR file; commonly used by Java software clients to download JAR files over the Internet.

What Are Common Causes of ".JAR.PACK" Files Lost or Failure?

There are several common causes of ".JAR.PACK" files lost or failure:

  1. Accidental deletion: Users may accidentally delete ".JAR.PACK" files while organizing or cleaning up their computer system, leading to their loss.
  2. Virus or malware infection: If a computer system gets infected by a virus or malware, it can corrupt or delete ".JAR.PACK" files, resulting in failure or loss.
  3. Operating system errors: Errors within the operating system can cause ".JAR.PACK" files to become inaccessible or corrupted, leading to failure or loss.
  4. Software conflicts: Conflicts between different software applications or incompatible software versions can lead to the corruption or deletion of ".JAR.PACK" files.
  5. Hardware issues: Problems with the computer's hard drive, such as bad sectors or physical damage, can result in the loss or failure of ".JAR.PACK" files stored on it.
  6. Power outages or sudden system shutdowns: If a computer experiences a sudden power outage or shutdown, it can cause ".JAR.PACK" files to become corrupted or lost.
  7. File system errors: Issues with the file system, such as file system corruption or errors, can prevent the proper functioning of ".JAR.PACK" files, leading to failure or loss.
  8. Human error: Mistakes made by users, such as improper handling of files or accidental formatting of storage devices, can result in the loss or failure of ".JAR.PACK" files.

It is important to regularly back up ".JAR.PACK" files to prevent data loss and to use reliable antivirus software to protect against malware or virus infections.

How to recover lost ".JAR.PACK" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".JAR.PACK" file may be deleted.

Go to view
🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".JAR.PACK" file is always to create it once more.

Use programs for recovering ".JAR.PACK" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".JAR.PACK" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

The tool recovers data from any devices, regardless of the cause of data loss.

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software
  3. Double-click on the disk from which you need to recover ".JAR.PACK" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type
  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored
  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan
  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery
  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".JAR.PACK" extension?

Looking for how to open a stereo pack200 Packed Jar File image file file?

Programs that open ".JAR.PACK" files

Oracle Java Web Start Oracle Java Web Start
Oracle Java Web Start Oracle Java Web Start
Oracle Java Web Start Oracle Java Web Start

Additional Information

  • File type: Pack200 Packed Jar File

  • File extension: .JAR.PACK

  • Developer: Oracle

  • Category: Compressed Files

  • Format: Binary


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 11:25 #
    Leave a comment if you have any questions about Recovering lost .JAR.PACK files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.


Questions and answers

  • What is the process for repairing a ".JAR.PACK" file?

    Repairing a ".JAR.PACK" file typically involves unpacking and extracting the original JAR file from the packed file. Here's a general process to repair a ".JAR.PACK" file:

    1. Rename the ".JAR.PACK" file: Change the file extension from ".JAR.PACK" to ".JAR" or ".ZIP". This will allow you to work with the file as a compressed archive.
    2. Extract the contents: Use a file compression tool like WinRAR, 7-Zip, or WinZip to extract the contents of the renamed ".JAR" or ".ZIP" file. Right-click on the file, select "Extract" or "Extract Here" to unpack the contents.
    3. Check for errors: Once the extraction is complete, check if any errors occurred during the process. If there are any error messages, it could indicate issues with the packed file or potential corruption.
    4. Verify the extracted JAR file: Open the extracted folder and locate the JAR file within it. Ensure that the JAR file is intact and not corrupted. You can compare the extracted JAR file with the original if you have a backup.
    5. Replace the damaged JAR file (if necessary): If the extracted JAR file is corrupted or missing, you may need to replace it with a backup copy or obtain a new JAR file from the original source.
    6. Repack the JAR file: Once you have a valid JAR file, you can repack it into a ".JAR.PACK" file if required. Use a compression tool to create a new packed file with the desired extension.

    Note: ".JAR.PACK" files are not a standard file format, and their purpose may vary depending on the context. The above process assumes that the file is a packed JAR file, but it's important to understand the specific nature of the file and its intended use before attempting any repairs.

  • Are there any specific tools or software available for repairing ".JAR.PACK" files?

    There are several tools and software available for repairing ".JAR.PACK" files. Some of the popular ones include:

    1. JD-GUI: JD-GUI is a standalone graphical utility that can decompile and repair JAR files, including JAR.PACK files. It allows you to view and edit the Java source code contained within the JAR file.
    2. JARFix: JARFix is a simple utility that fixes file association problems with JAR files. It can help repair any issues related to opening or executing JAR.PACK files.
    3. WinRAR: WinRAR is a popular file compression and extraction tool that can handle various archive formats, including JAR.PACK files. It allows you to extract the contents of the JAR.PACK file and repair any corrupted or damaged files within it.
    4. 7-Zip: 7-Zip is another widely used file compression and extraction tool that supports JAR.PACK files. It can extract the contents of the JAR.PACK file and repair any files that may be damaged or corrupted.
    5. Java Decompiler: Java Decompiler is a command-line tool that can decompile JAR files and repair any issues within them. It can be used to extract the source code from the JAR.PACK file and make necessary repairs.

    It's important to note that repairing JAR.PACK files may not always be possible, especially if the file is severely damaged or corrupted. In such cases, it may be best to try recovering the original files from a backup or obtaining a clean copy from the original source.

  • Can a ".JAR.PACK" file be repaired without losing any data or functionality?

    It is not possible to repair a ".JAR.PACK" file without potentially losing data or functionality. A ".JAR.PACK" file is typically a compressed archive file format used for Java applications. If the file is corrupt or damaged, it may not be possible to recover the data or restore the functionality without a backup or a non-corrupted version of the file. It is always recommended to regularly backup important files to avoid data loss in such situations.

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