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

CLG File Recovery

What is a .CLG file?

Catalog file used by Windows System Image Manager (Windows SIM); contains information describing the contents of a .WIM image, including the state of all packages and components; used to display WIM file contents without having to read an entire image file.

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

There can be several common causes for ".CLG" (Catalog) files to be lost or fail:

  1. Accidental deletion: Users may accidentally delete ".CLG" files while managing their files or cleaning up their system.
  2. Software or hardware issues: Problems with the software or hardware that handles ".CLG" files can lead to their loss or failure. This can include issues with the application that creates or opens the ".CLG" files, or problems with the storage device where the files are stored.
  3. File system corruption: Corruption of the file system, which manages the organization and storage of files on a storage device, can result in the loss or failure of ".CLG" files.
  4. Virus or malware infection: Viruses or malware can infect and damage ".CLG" files, making them inaccessible or causing them to be lost.
  5. Improper shutdown: If a system is improperly shut down, such as during a power outage or system crash, it can lead to file system errors or data loss, including ".CLG" files.
  6. File conflicts or incompatibilities: In some cases, conflicts or incompatibilities between different software applications or versions can cause ".CLG" files to fail or become unreadable.
  7. Human error: Mistakes made by users, such as accidentally formatting a storage device or overwriting ".CLG" files with incorrect data, can result in their loss or failure.

It is important to regularly backup ".CLG" files to prevent data loss and to use reliable data recovery methods in case of any file loss or failure.

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

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

Looking for how to open a stereo windows Catalog File image file file?

Programs that open ".CLG" files

Microsoft Windows System Image Manager Microsoft Windows System Image Manager

Additional Information

  • File type: Windows Catalog File

  • File extension: .CLG

  • Developer: Microsoft

  • Category: Settings Files

  • Format: Binary

  • File types that use the extension .CLG:

    • Windows Catalog File

    • Collage Maker Project File


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 15:22 #
    Leave a comment if you have any questions about Recovering lost .CLG 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 is a .CLG file extension and what purpose does it serve?

    The .CLG file extension is primarily associated with the Windows Catalog file format. CLG stands for Catalog, and these files are used by the Windows operating system to store information about the contents of installation media or software packages.

    Windows Catalog files contain metadata about the files and components included in an installation package. They provide a way for the Windows Installer service to quickly access and retrieve information about the software or updates stored on the media.

    These catalog files are commonly found on installation discs or in software distribution packages. They help ensure the integrity and authenticity of the files by providing a way to verify their digital signatures. Catalog files also aid in the installation process by allowing the operating system to efficiently locate and retrieve necessary files during the installation or update procedure.

  • How can I determine the program or software required to open a .CLG file?

    To determine the program or software required to open a .CLG file, you can follow these steps:

    1. Check the file extension: Confirm that the file extension is indeed .CLG. Sometimes, file extensions might be hidden, so ensure that you have enabled the option to view file extensions in your operating system.
    2. Research the file extension: Conduct an online search for the .CLG file extension. Look for any information regarding the file type, its purpose, and the software associated with it. You can search using keywords like "open .CLG file" or "file extension .CLG".
    3. Consult the file creator or source: If the .CLG file was given to you by someone or downloaded from a specific source, try contacting the creator or source to inquire about the software required to open the file. They might provide you with the necessary information or instructions.
    4. Use a universal file viewer: If you can't find specific information about the .CLG file, you can try using a universal file viewer. These software programs are designed to open various file types, including unknown or uncommon ones. Examples of universal file viewers include File Magic, Free File Viewer, and File Viewer Plus. Download and install one of these programs, then attempt to open the .CLG file using the viewer.
    5. Check related software: If the .CLG file is related to a specific program or software, consider checking if you have that software installed on your computer. For example, if the .CLG file is related to a video game, check if you have the game installed. Sometimes, software programs create and use their own unique file formats.
    6. Seek help from online communities: If you are still unable to determine the software required to open the .CLG file, you can seek help from online communities and forums. There are dedicated communities where users share their knowledge and experience with different file types. You can describe your situation and ask for assistance in identifying the appropriate program for opening the .CLG file.

    Remember to exercise caution when opening files from unknown sources, as they may contain malicious content.

  • Are there any specific steps or methods to open a .CLG file on different operating systems?

    A .CLG file is typically associated with Windows catalog files, which contain information about the files and folders on a Windows installation media. Here are some steps to open a .CLG file on different operating systems:


    1. Double-click the .CLG file. It might automatically open with the appropriate program.
    2. If it doesn't open, right-click the .CLG file, select "Open With," and choose a program like Notepad, WordPad, or any text editor to view the file contents.


    1. Right-click the .CLG file and select "Open With" > "TextEdit" or any other text editor.
    2. Alternatively, you can open the Terminal application, navigate to the folder containing the .CLG file, and use a command-line text editor like nano or vi to view the file contents.


    1. Open a terminal window and navigate to the folder containing the .CLG file.
    2. Use a command-line text editor like nano or vi to view the file contents. For example, you can run the command: `nano filename.clg`.

    Keep in mind that .CLG files are not meant to be opened or edited directly by users. They are typically used by Windows installation programs or system utilities.

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