.L01 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 .L01 file recovery guide for Windows, MacOS, Android and IOS in 2023.

L01 File Recovery

What is a .L01 file?

File created by EnCase forensics software; stores a collection of individual files that have been selectively copied from an EnCase evidence (.E01) file; allows smaller collections of digital evidence to be grouped without having to load the entire E01 evidence file to view them; used for storing noteworthy evidence.

What Are Common Causes of ".L01" Files Lost or Failure?

There can be several common causes for ".L01" file loss or failure:

  1. Accidental deletion: The most common cause is accidentally deleting the ".L01" files. This can happen when users delete files without realizing their importance or mistakenly delete the wrong files.
  2. File system corruption: If the file system where the ".L01" files are stored gets corrupted, it can lead to file loss or failure. This can occur due to various reasons such as improper system shutdown, hardware issues, or malware infections.
  3. Disk errors: Physical errors on the storage device where the ".L01" files are stored can also cause file loss or failure. These errors can occur due to bad sectors, disk fragmentation, or disk failure.
  4. Software or hardware issues: Issues with the software or hardware used to access or store the ".L01" files can also lead to their loss or failure. This can include software bugs, compatibility issues, or hardware malfunctions.
  5. Virus or malware attacks: Viruses or malware infections can corrupt or delete files, including ".L01" files. These malicious programs can damage the file system or modify the files, making them inaccessible or unusable.
  6. Human error: Human error, such as improper handling of files, accidental formatting of storage devices, or improper file transfers, can also result in ".L01" file loss or failure.
  7. Power outages: Sudden power outages or power surges can interrupt the file saving process, leading to file corruption or loss.

It is important to regularly backup important ".L01" files to prevent data loss and use reliable data recovery tools or services in case of file loss or failure.

How to recover lost ".L01" 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 ".L01" 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 ".L01" file is always to create it once more.

Use programs for recovering ".L01" 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 ".L01" 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 ".L01" 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 ".L01" extension?

Looking for how to open a stereo enCase Logical Evidence File image file file?

Programs that open ".L01" files

Guidance EnCase Forensic Guidance EnCase Forensic

Additional Information

  • File type: EnCase Logical Evidence File

  • File extension: .L01

  • Developer: Guidance Software

  • Category: Disk Image Files

  • Format: Binary

  • Mime-type: application/octet-stream

  • HEX: 4C 56 46 09 0D 0A FF 00


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 11:58 #
    Leave a comment if you have any questions about Recovering lost .L01 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 purpose of the .L01 format in digital forensics?

    The .L01 format is a file format commonly used in digital forensics. Its purpose is to store a forensic image of a disk or a partition.

    Digital forensics involves the investigation and analysis of digital devices and their content for legal purposes. When conducting a forensic investigation, it is crucial to create an exact copy, or forensic image, of the original disk or partition without altering any data. This ensures that the original evidence remains preserved and can be used in legal proceedings.

    The .L01 format is specifically designed to create forensic images. It is a raw format that captures all the data, including deleted files, unallocated space, and metadata, from the source disk or partition. The format preserves the data in a bit-by-bit manner, maintaining the original structure and integrity of the evidence.

    Forensic tools and software can read and analyze .L01 files, allowing investigators to examine the captured data, recover deleted files, perform keyword searches, and extract valuable evidence for further analysis. The .L01 format is widely used in digital forensics due to its ability to create reliable and comprehensive forensic images while maintaining the evidentiary integrity of the original data.

  • How is data stored and organized in the .L01 format?

    The .L01 format is a proprietary forensic image format used by Guidance Software's EnCase software. It is primarily used for storing forensic images of digital evidence, such as hard drives, memory cards, or other storage media.

    In the .L01 format, data is stored in a raw format, meaning it is a bit-by-bit copy of the original source. This includes not only the file system data but also unallocated space, deleted files, and other hidden information. This raw format ensures that all data is preserved and can be analyzed by forensic investigators.

    The .L01 format also includes metadata information, such as the source device information, acquisition details, and other relevant data. This metadata helps in maintaining the integrity and authenticity of the forensic image.

    When it comes to organization, the .L01 format does not have a specific hierarchical structure like a file system. Instead, it stores data in a linear manner, sequentially following the source media. This means that the data is organized based on the order it was read from the source, rather than being organized by file names or directory structures.

    To access and analyze the data stored in the .L01 format, forensic tools like EnCase are used. These tools can interpret the raw data, reconstruct file systems, and provide search and analysis capabilities to investigators.

  • Are there any limitations or compatibility issues associated with using .L01 formats in forensic investigations?

    Yes, there are certain limitations and compatibility issues associated with using .L01 formats in forensic investigations. Here are a few:

    1. Limited software support: .L01 is a proprietary format used by AccessData's Forensic Toolkit (FTK) software. While FTK is widely used in the digital forensic community, other forensic software tools may not support this format. This can limit the ability to analyze or process .L01 files using alternative software.
    2. Compatibility with other tools: If an investigator needs to collaborate with others who use different forensic tools, the .L01 format may pose compatibility issues. It may require conversion to a more widely supported format, which can introduce potential data integrity concerns or loss of metadata.
    3. Limited metadata support: .L01 format may not support all the metadata associated with the original evidence. This can be a limitation when conducting in-depth forensic analysis or when certain metadata is critical for the investigation.
    4. Limited portability: Due to the proprietary nature of the .L01 format, it may not be easily portable across different systems or platforms. This can hinder the sharing or transfer of evidence files between investigators or forensic labs.
    5. File size limitations: .L01 format has a file size limitation of 4GB. If the evidence being analyzed exceeds this size, it may require splitting into multiple .L01 files, which can complicate the investigation process and potentially introduce errors.

    It is important for forensic investigators to consider these limitations and compatibility issues when choosing the format for evidence acquisition and analysis, ensuring that it aligns with the requirements of their investigation and the tools they plan to use.

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