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

OL File Recovery

What is a .OL file?

File created by Valve Hammer Editor, a mapping tool for the Goldsource engine that runs games like Half-Life and Counter-Strike; contains prefabs, or objects, and their .WAD texture files; referenced by Hammer to map out objects and textures.

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

There are several common causes of ".OL" files being lost or experiencing failure:

  1. Accidental deletion: Users may accidentally delete ".OL" files while organizing or cleaning up their system, leading to their loss.
  2. Operating system or software updates: During system updates or software upgrades, ".OL" files may be overwritten or deleted, resulting in their loss or failure.
  3. File system corruption: File system corruption can occur due to various reasons such as power outages, hardware issues, or software errors. This corruption can lead to the loss or failure of ".OL" files.
  4. Virus or malware infection: If a computer gets infected with a virus or malware, it can corrupt or delete ".OL" files, causing them to be lost or become inaccessible.
  5. Hardware failure: Hard drive failure, disk errors, or other hardware issues can result in the loss or failure of ".OL" files stored on the affected device.
  6. Human error: Users may accidentally move or rename ".OL" files, making them difficult to locate or causing them to fail when accessed by the associated software.
  7. Software crashes or errors: If the software used to open or manage ".OL" files crashes or encounters errors, it can lead to the loss of data or the failure of ".OL" files.
  8. Improper shutdown: If a computer is improperly shut down or experiences a sudden power loss, ".OL" files that were open or being modified may become corrupted or lost.
  9. Storage media issues: Problems with the storage media where ".OL" files are stored, such as bad sectors on a hard drive or physical damage to a storage device, can result in the loss or failure of these files.
  10. Incompatibility: Incompatibility issues between different software versions or between the software and the operating system can cause ".OL" files to fail or become inaccessible.

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

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

Looking for how to open a stereo valve Hammer Object Layout File image file file?

Programs that open ".OL" files

Valve Hammer Editor Valve Hammer Editor

Additional Information

  • File type: Valve Hammer Object Layout File

  • File extension: .OL

  • Developer: Valve

  • Category: 3D Image 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 15:13 #
    Leave a comment if you have any questions about Recovering lost .OL 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 a .OL file extension, and what type of file does it represent?

    The .OL file extension is associated with Microsoft Outlook, which is an email client and personal information manager. The .OL file represents an Outlook Address Book file. It contains contact information such as names, email addresses, phone numbers, and other details. These files are used by Outlook to store and manage contact information for easy access and communication.

  • How can I open a .OL file, and what software or applications are compatible with it?

    The .OL file extension is not associated with any specific file format or software. It is possible that the file could be a typo or a custom file extension specific to a particular application.

    To determine the compatibility and suitable software for opening the .OL file, you can try the following methods:

    1. Check the file extension: Ensure that the file extension is indeed ".OL" and not a typo or an incomplete extension. Sometimes, file extensions can be mistakenly changed or truncated.
    2. Research the file type: If the file extension is correct, try to find information about the file type. Search online for any known file formats associated with the .OL extension. This might help identify the software or application needed to open the file.
    3. Contact the file sender: If you received the .OL file from someone else, reach out to them and inquire about the file format and the software they used to create it. They might be able to provide you with more details or suggest a compatible application.
    4. Try different software: If the file type remains unknown, you can attempt to open the file using different applications. Common software used for opening various file types include:

    a. Microsoft Office Suite: For documents, spreadsheets, or presentations.

    b. Adobe Acrobat Reader: For PDF files.

    c. VLC Media Player or Windows Media Player: For audio or video files.

    d. WinRAR or 7-Zip: For compressed files.

    Use a universal file viewer: If none of the above options work, you can try using a universal file viewer. These applications support a wide range of file formats and may be able to open the .OL file. Some popular universal file viewers include File Viewer Plus, Free File Viewer, and File Magic.

    Remember to exercise caution when opening files from unknown sources, as they may contain malware or be potentially harmful.

  • Are there any specific steps or instructions to follow when trying to open a .OL file, or can it be accessed like any other file format?

    The .OL file extension does not correspond to a specific file format that is widely recognized. Therefore, it is not possible to provide specific steps or instructions for opening .OL files.

    If you have received a file with the .OL extension, it is recommended to determine the origin of the file and the program that generated it. The file may be associated with a specific software application or a proprietary file format. In such cases, you would need to use the corresponding software or contact the file's creator for instructions on how to open it.

    If you are unsure about the file's origin or the program associated with it, you can try the following general steps:

    1. Check the file extension: Make sure the file extension is indeed .OL and not a typo or a different extension. Sometimes, file extensions can be misspelled or mistakenly changed.
    2. Research the file extension: Search online for the specific file extension (.OL) to see if it is associated with any known file formats or applications. You may find information about the software that can open the file or any conversion methods available.
    3. Use a universal file viewer: Try opening the file using a universal file viewer or editor that supports a wide range of file formats. Examples of such software include Adobe Acrobat Reader, Notepad++, or VLC media player. Even if these programs cannot directly open the file, they may provide some information about its contents.
    4. Contact the file sender: If you received the file from someone, reach out to them and ask for more information about the file format and the program used to create it. They may be able to provide you with more details or suggest an appropriate method for opening the file.

    Remember to exercise caution when dealing with unknown file types, as they may potentially contain malware or other security risks.

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