.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 .PACK file recovery guide for Windows, MacOS, Android and IOS in 2024.

PACK File Recovery

What is a .PACK file?

File created by Pack200, a utility included in Java 1.5.0 that compresses .JAR files; contains a JAR file that has been compressed by up to sixty percent; used by Java Web Start clients to retrieve and unpack JAR files for Java programs.

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

There can be several common causes of ".PACK" file lost or failure:

  1. Accidental deletion: Users may accidentally delete ".PACK" files while organizing or cleaning up their computer systems.
  2. Software or hardware issues: Issues with the software or hardware components of a computer system can lead to corruption or loss of ".PACK" files. This can include system crashes, power outages, or malfunctions.
  3. Virus or malware attacks: Viruses or malware can infect and corrupt ".PACK" files, rendering them inaccessible or causing data loss.
  4. File system errors: Errors within the file system, such as file system corruption or bad sectors on the storage device, can result in the loss or failure of ".PACK" files.
  5. Improper file handling: Improper handling of ".PACK" files, such as forceful termination of applications using the files or improper shutdown of the system, can lead to file corruption or loss.
  6. Software conflicts: Conflicts between different software applications or incompatible software versions can cause issues with ".PACK" files, leading to their loss or failure.
  7. Human error: Human error, such as accidental formatting of a storage device or mistakenly overwriting ".PACK" files, can result in their loss or failure.

It is important to regularly backup ".PACK" files and maintain a reliable data recovery system to mitigate the risk of file loss or failure.

How to recover lost ".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 ".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 ".PACK" file is always to create it once more.

Use programs for recovering ".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 ".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.

Partition Recovery™ 4.9
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 ".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 ".PACK" extension?

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

Programs that open ".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: .PACK

  • Developer: Oracle

  • Category: Encoded Files

  • Format: Binary

  • File types that use the extension .PACK:

    • Pack200 Packed Jar File

    • CustoPack Tools Theme Pack


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:12 #
    Leave a comment if you have any questions about Recovering lost .PACK files after deleting, cleaning or formatting!
Post comment
Leave a reply
Your email address will not be published. Required fields are marked *

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 are .PACK formats and how are they used in the context of computer file compression and archiving?

    .PACK formats are file compression and archiving formats used to reduce the size of computer files and folders. They are typically used to compress multiple files or folders into a single archive file, making it easier to store, transfer, and manage large amounts of data.

    .PACK formats employ various compression algorithms to reduce the size of the files within the archive. These algorithms remove redundant or unnecessary data from the files, resulting in a smaller overall size. When the archive needs to be accessed, the files are decompressed and restored to their original form.

    .PACK formats can be used in a variety of contexts, such as:

    1. File transfer: When sending files over the internet or sharing them with others, compressing them into a .PACK format can reduce the file size, making it faster and more efficient to transfer.
    2. Data storage: Archiving files and folders into a .PACK format can save disk space, especially when dealing with large amounts of data. This is particularly useful for long-term storage or backups.
    3. Software distribution: Many software applications and operating systems are distributed in .PACK formats. This allows developers to package all the necessary files into a single archive, simplifying the installation process for users.
    4. File organization: By compressing multiple files and folders into a single .PACK archive, it becomes easier to organize and manage related data. This helps in keeping files together and reducing clutter.

    .PACK formats can be created and extracted using various software tools, such as WinRAR, 7-Zip, WinZip, and others. These tools provide a user-friendly interface to create, open, and manage .PACK archives, allowing users to compress and extract files as needed.

  • What are the advantages and disadvantages of using .PACK formats compared to other compression formats such as .ZIP or .RAR?

    Advantages of using .PACK formats compared to other compression formats such as .ZIP or .RAR:

    1. Higher compression ratio: .PACK formats typically offer better compression ratios compared to .ZIP or .RAR. This means that files can be compressed to a smaller size, saving disk space and reducing bandwidth usage when transferring files.
    2. Faster compression and decompression: .PACK formats often have faster compression and decompression speeds, allowing for quicker file operations.
    3. Support for large files: .PACK formats can handle larger file sizes compared to .ZIP or .RAR. This is particularly useful when dealing with large multimedia files or databases.
    4. Better error recovery: .PACK formats often have built-in error recovery mechanisms, which can help in recovering corrupted files during compression or decompression.
    5. Support for advanced features: .PACK formats may support advanced features such as encryption, password protection, and file versioning, providing enhanced security and file management options.

    Disadvantages of using .PACK formats compared to other compression formats:

    1. Limited compatibility: .PACK formats may not be as widely supported as .ZIP or .RAR. This means that recipients or users of the compressed files may require specific software or tools to extract or work with them.
    2. Lack of standardization: .PACK formats may lack a standardized specification, leading to compatibility issues or difficulties in handling files across different platforms or applications.
    3. Reduced versatility: .PACK formats may not support as many compression algorithms or options as .ZIP or .RAR. This can limit the flexibility in choosing compression settings based on specific requirements.
    4. Reduced popularity: .PACK formats may have a smaller user base compared to .ZIP or .RAR, resulting in fewer resources, tutorials, or community support available for troubleshooting or learning.
    5. Limited file management features: .PACK formats may not offer as many file management features as .ZIP or .RAR, such as the ability to split archives into multiple volumes or create self-extracting archives.

    Ultimately, the choice between .PACK formats and other compression formats depends on the specific needs and priorities, such as compression ratio, speed, compatibility, and available features.

  • Are there any specific software programs or tools that are commonly used to create, extract, or manage .PACK format files?

    Yes, there are several software programs and tools commonly used to create, extract, or manage .PACK format files. Some popular options include:

    1. WinRAR: WinRAR is a widely used file compression and archive management tool that supports various formats, including .PACK files. It allows you to create, extract, and manage .PACK files with ease.
    2. 7-Zip: 7-Zip is a free and open-source file archiver that can handle a wide range of formats, including .PACK files. It provides a simple and intuitive interface for creating, extracting, and managing .PACK files.
    3. WinZIP: WinZIP is another popular file compression and archive management tool that supports the .PACK format. It enables you to create, extract, and manage .PACK files, along with many other archive formats.
    4. Unity Asset Bundle Extractor: Unity Asset Bundle Extractor is a specialized tool designed specifically for extracting and managing Unity asset bundles, which are often stored in .PACK format. It allows you to extract assets from .PACK files and manage them within the Unity game engine.
    5. AssetStudio: AssetStudio is another tool commonly used for extracting assets from Unity asset bundles, including .PACK files. It provides a user-friendly interface for extracting and managing assets from .PACK files.

    These are just a few examples of the software programs and tools available for creating, extracting, or managing .PACK format files. There may be other tools available depending on the specific use case or file type.

Hello! This is AI-based Hetman Software virtual assistant, and it will answer any of your questions right away.
Start Chat