Best Methods for Recovering .A01 Files from Failed Storage Devices

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 .A01 file recovery guide for Windows, MacOS, Android and IOS in 2024.

Best Methods for Recovering .A01 Files from Failed Storage Devices
Data Recovery Tool

What is a .A01 file?

Third file of a spanned archive created with ALZip, a file compression utility for Windows systems; uses proprietary ALZ compression and is saved along with other split archives; preceded by the .ALZ and .A00 files and is followed by the .A02 file.

What Are Common Causes of ".A01" Files Lost or Failure?

There can be several common causes for ".A01" file loss or failure:

  1. Accidental deletion: Users may accidentally delete the ".A01" files while organizing or cleaning up their computer's storage.
  2. File system corruption: If the file system on the storage device where the ".A01" files are stored gets corrupted, it can lead to file loss or failure.
  3. Hardware failure: Malfunctioning or failing hardware components such as hard drives, solid-state drives (SSDs), or external storage devices can result in ".A01" file loss.
  4. Software issues: Errors or bugs in software applications that handle ".A01" files can cause them to become inaccessible or lost.
  5. Virus or malware attacks: Malicious software can corrupt or delete ".A01" files as part of its destructive actions.
  6. Power outages or system crashes: Unexpected power outages or system crashes while working with ".A01" files can lead to their loss or corruption.
  7. Improper file transfer or handling: If ".A01" files are not transferred or handled correctly, such as interrupted file transfers or improper ejection of storage devices, it can result in file loss or corruption.
  8. Human error: Mistakes made by users, such as accidental formatting of storage devices or improper handling of files, can lead to ".A01" file loss.

It is always recommended to have backups of important files to minimize the impact of file loss or failure.

How to recover lost ".A01" 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 ".A01" 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 ".A01" file is always to create it once more.

Use programs for recovering ".A01" 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 ".A01" 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.
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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 ".A01" 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 ".A01" extension?

Looking for how to open a stereo aLZip Third Split Archive File image file file?

Programs that open ".A01" files

Windows
ESTsoft ALZip ESTsoft ALZip

Additional Information

  • File type: ALZip Third Split Archive File

  • File extension: .A01

  • Developer: ESTsoft

  • Category: Compressed Files

  • Format: N/A

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 14:51 #
    Leave a comment if you have any questions about Recovering lost .A01 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.

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Questions and answers

  • What is a .A01 file extension and what type of file does it represent?

    The .A01 file extension is commonly associated with the ALZip file compression software. It represents a compressed archive file that has been split into multiple parts using ALZip's proprietary splitting algorithm. These files are typically used to store and transfer large files or folders, allowing for easier distribution or storage across multiple devices or media.

  • How can I open a .A01 file and what software or program do I need for that?

    .A01 files are typically associated with the WinAce archiving software, which is used to compress and decompress files. To open a .A01 file, you will need to download and install the WinAce software on your computer.

    Here are the steps to open a .A01 file using WinAce:

    1. Download and install WinAce: Visit the WinAce website or any trusted software download platform to download the WinAce software. Follow the on-screen instructions to install it on your computer.
    2. Launch WinAce: Once the installation is complete, open the WinAce program.
    3. Open the .A01 file: In WinAce, go to the "File" menu and select "Open Archive" or use the keyboard shortcut Ctrl+O. Navigate to the location where the .A01 file is saved on your computer and select it.
    4. Extract the files: After opening the .A01 file, you will see its contents listed in the WinAce program. Choose the files you want to extract by selecting them, or use the "Extract All" option to extract all the files. Choose a destination folder where you want to save the extracted files.
    5. Complete the extraction: Click on the "Extract" button, and WinAce will extract the selected files from the .A01 archive to the specified destination folder.

    Note: If you are unable to open the .A01 file using WinAce, it is possible that the file is corrupted, or it might be a different file format altogether. In such cases, you may need to check the source of the file and verify its compatibility with WinAce.

  • Are there any specific steps or instructions to follow when trying to open a .A01 file?

    To open a .A01 file, you need to follow these steps:

    1. Determine the file type: .A01 files can be associated with different applications, so it's important to identify the specific file format.
    2. Identify the program: Once you know the file type, find the software that is designed to open or work with that file format. You can search online for the program associated with .A01 files.
    3. Install the necessary software: If you don't already have the required software installed on your computer, download and install it from a trusted source. Make sure to follow the installation instructions provided by the software developer.
    4. Open the file: Once the software is installed, you can either double-click on the .A01 file or open the software and use the "Open" or "Import" option to browse for and select the .A01 file.
    5. Follow on-screen instructions: Depending on the software, you may be prompted with additional instructions or settings to configure. Follow the on-screen instructions to complete the process.

    Note: If you're unable to determine the file type or find the appropriate software, it's possible that the .A01 file is not meant to be opened by the user directly, or it could be a proprietary file format specific to a certain program. In such cases, you may need to consult the documentation or support resources provided by the software or the file's source.
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