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

HL File Recovery

What is a .HL file?

Data file saved by HeuristicLab, a program designed for developing and testing optimization methods; contain workbenches or problem-definitions.

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

There are several common causes of ".HL" (High-Level) files being lost or facing failure:

  1. Accidental deletion: The most common cause is accidental deletion by the user. This can happen when users mistakenly delete the ".HL" files while organizing or cleaning up their computer.
  2. File system corruption: File system corruption can occur due to various reasons, such as improper system shutdown, virus or malware infection, or hardware issues. When the file system gets corrupted, it can lead to the loss or failure of ".HL" files.
  3. Software or hardware issues: Problems with software or hardware can also result in ".HL" file loss or failure. For example, if the software used to handle ".HL" files crashes or becomes incompatible, it may lead to data loss. Similarly, hardware issues like a faulty hard drive or storage device can cause file corruption or loss.
  4. Virus or malware attacks: Viruses or malware can infect and damage files on a computer, including ".HL" files. They can corrupt or delete the files, making them inaccessible or unusable.
  5. Human error: Human error, such as accidental formatting of a storage device or improper handling of files, can also lead to ".HL" file loss or failure.
  6. Software bugs or glitches: Sometimes, software bugs or glitches can cause ".HL" files to become corrupted or fail. This can happen if there are programming errors in the software handling the ".HL" files.
  7. Power outages or system crashes: Power outages or sudden system crashes while working with ".HL" files can result in data loss or file corruption.

It is important to regularly back up your ".HL" files to prevent loss or failure. Additionally, using reliable antivirus software, keeping your system and software up to date, and being cautious while handling files can help prevent these issues.

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

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

Looking for how to open a stereo heuristicLab Storage File image file file?

Programs that open ".HL" files

HeuristicLab HeuristicLab

Additional Information

  • File type: HeuristicLab Storage File

  • File extension: .HL

  • Developer: HeuristicLab

  • Category: Data Files

  • Format: N/A


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 11:45 #
    Leave a comment if you have any questions about Recovering lost .HL 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 .HL format and what types of files does it typically represent?

    The .HL format is an abbreviation for "Help Link" format. It is primarily used for representing help files in software applications. Help files contain documentation, instructions, and guidance to assist users in understanding and utilizing a software program effectively.

    The .HL format typically represents files that contain structured help content, such as help topics, indexes, and links to related information. These files are often created using help authoring tools and can be compiled into a format that can be easily accessed by the software application's help system.

    The purpose of the .HL format is to provide a standardized and easily navigable way of presenting help content to users within a software application. It allows users to access relevant information, search for specific topics, and find answers to their queries, enhancing the overall user experience and improving the usability of the software.

  • Are there any specific software programs or applications that are commonly used to create or open .HL files?

    There is no specific software program or application that is commonly used to create or open .HL files as it is not a widely recognized file format. The .HL file extension could be associated with different software depending on the context. It is recommended to determine the specific software or application associated with the .HL file and use that to open or create it.

  • Can you provide an example of how the .HL format is used in a specific industry or field?

    The .HL (Hierarchical List) format is commonly used in the healthcare industry for organizing and exchanging medical data. It is primarily utilized in electronic health record (EHR) systems and medical coding.

    For example, in medical coding, the .HL format is employed to create hierarchical lists of medical procedures, diagnoses, and other healthcare-related terms. These lists are used in coding systems such as Current Procedural Terminology (CPT) and International Classification of Diseases (ICD) to classify and standardize medical information.

    In an .HL file, each entry is represented by a code and a description, arranged in a hierarchical structure. The hierarchy allows for categorization and subcategorization of medical terms, enabling efficient searching, referencing, and coding. The format ensures consistency and accuracy in medical coding, facilitating proper reimbursement, research, and analysis.

    Overall, the .HL format plays a crucial role in the healthcare industry by providing a standardized and structured way to organize, exchange, and utilize medical data across various systems and applications.

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