How to Restore Your .CRF Files After a Critical System Failure

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 .CRF file recovery guide for Windows, MacOS, Android and IOS in 2025.

How to Restore Your .CRF Files After a Critical System Failure
Data Recovery Tool

What is a .CRF file?

Three-dimensional materials file created in the Cal3D binary materials format; stores references to the graphics that are overlaid on 3D meshes to provide the model's surface appearance; also stores ambient, diffuse, specular, and shininess lighting properties.

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

There are several common causes of ".CRF" file loss or failure:

  1. Accidental deletion: Users may mistakenly delete the ".CRF" files while organizing or cleaning up their computer's storage.
  2. File system corruption: Issues with the file system, such as a corrupt partition or disk, can lead to the loss of ".CRF" files.
  3. Software or hardware issues: Problems with the software or hardware used to create, open, or save ".CRF" files can result in file loss or failure. This can include software crashes, power outages, or hardware failures.
  4. Virus or malware attack: Malicious software can infect and corrupt ".CRF" files, making them inaccessible or causing them to be deleted.
  5. Improper file transfer: If ".CRF" files are not transferred correctly or interrupted during the process, they may become corrupted or lost.
  6. Operating system issues: Errors or glitches in the operating system can cause ".CRF" files to become inaccessible or fail to open.
  7. Human error: Mistakes made by users, such as improper handling of files, accidental formatting of storage devices, or overwriting ".CRF" files with incorrect data, can lead to file loss or failure.

It is important to regularly back up ".CRF" files to prevent data loss and use reliable data recovery tools or services if file loss occurs.

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

Use programs for recovering ".CRF" 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 ".CRF" 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™ 5.0
The tool recovers data from any devices, regardless of the cause of data loss.
Download

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 ".CRF" 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 ".CRF" extension?

Looking for how to open a stereo cal3D Binary Materials File image file file?

Programs that open ".CRF" files

Windows
Cal3dViewer Cal3dViewer
Cal3d2ogre Cal3d2ogre
Short Fuze Limited Moviestorm Short Fuze Limited Moviestorm
Mac
Short Fuze Limited Moviestorm Short Fuze Limited Moviestorm
Linux
Cal3D Cal3D

Additional Information

  • File type: Cal3D Binary Materials File

  • File extension: .CRF

  • Developer: Cal3D

  • Category: 3D Image Files

  • Format: Binary

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 15:15 #
    Leave a comment if you have any questions about Recovering lost .CRF 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 are some common reasons for encountering issues while opening .CRF files and how can they be resolved?

    There could be several reasons for encountering issues while opening .CRF files. Here are some common ones and their potential resolutions:

    1. Incompatible software: If you don't have the appropriate software installed to open .CRF files, you may encounter issues. Ensure that you have the correct software or application associated with .CRF files. For example, .CRF files are commonly associated with the software package "Cognos Report Writer."
    2. File corruption: If the .CRF file is corrupted or incomplete, it may cause problems while opening. Try obtaining a fresh copy of the file and attempt to open it again. If the file is damaged, you may need to seek an alternative source or contact the file's creator for assistance.
    3. Outdated software: If you have the correct software installed but it is outdated, it may not be compatible with the .CRF file format. Ensure that you have the latest version of the software installed. Check for updates or upgrades that may resolve compatibility issues.
    4. Incorrect file extension: Sometimes, the file extension may be incorrect or missing. Ensure that the file extension is indeed ".CRF" and not something similar. If necessary, rename the file with the correct extension.
    5. File association issues: If the .CRF file is not associated with the appropriate software, you may encounter problems. Check your computer's file associations and ensure that .CRF files are associated with the correct software. You can usually do this through the operating system's settings or preferences.
    6. Insufficient permissions: If you don't have sufficient permissions to access or open the .CRF file, you may encounter issues. Ensure that you have the necessary permissions to access the file. If needed, contact the file's owner or administrator to grant you the required access.

    If none of these solutions work, it may be helpful to consult the software's documentation or contact the software's support team for further assistance.

  • Are there any specific software or tools that can help in fixing problems related to opening .CRF files?

    Yes, there are specific software and tools that can help in fixing problems related to opening .CRF files. Here are a few options:

    1. CRF File Repair Tool: There are dedicated file repair tools available online that can help in repairing corrupt or damaged .CRF files. These tools analyze the file structure and attempt to fix any errors or inconsistencies.
    2. File Converter: If you are unable to open a .CRF file with the software you have, you can try using a file converter tool to convert the .CRF file to a more common format like .PDF, .DOC, or .XLS. This can help in opening the file using a different program.
    3. File Viewer Software: Sometimes, the issue with opening a .CRF file can be due to the absence of a compatible software or viewer. In such cases, you can search for specific file viewer software that supports .CRF files. These viewers allow you to open and view the contents of the file without needing the original software.
    4. Contact Software Developer: If you are facing persistent issues with opening .CRF files, it is advisable to reach out to the software developer or the support team of the program that created the .CRF file. They may have specific troubleshooting steps or updates to resolve the problem.

    Remember to exercise caution when downloading and using third-party software or tools. Always ensure that you download from trusted sources and scan the files for malware before use.

  • What are some troubleshooting steps to follow when facing difficulties in opening .CRF files on different operating systems or devices?

    When facing difficulties in opening .CRF files on different operating systems or devices, you can follow these troubleshooting steps:

    1. Verify the file extension: Ensure that the file extension is indeed .CRF and not a similar-looking extension. Sometimes, file extensions can be mistaken or changed.
    2. Update the software: Ensure that you have the latest version of the software or application associated with .CRF files. Outdated software might not support the file format.
    3. Use a compatible software: If you don't have the appropriate software to open .CRF files, search for software that is specifically designed to handle this file type. Look for software recommended by the file's creator or use a popular file viewer program.
    4. Check for file corruption: If the .CRF file is not opening, it might be corrupted. Try obtaining a fresh copy of the file and attempt to open it again.
    5. Convert the file format: If no compatible software is available or the file is still not opening, consider converting the .CRF file to a more widely supported format like PDF or DOC. Various online file conversion tools can help with this.
    6. Seek assistance from the file creator or source: If the .CRF file was received from someone else, reach out to them for assistance. They might be able to provide more information about the file or offer alternative ways to open it.
    7. Check for file compatibility: Ensure that the .CRF file is compatible with the operating system or device you are using. Some files are platform-specific and may not work on certain systems.
    8. Scan for malware: Run a virus scan on the .CRF file to ensure it is not infected with any malware that might be preventing it from opening.
    9. Try opening on a different device: If possible, try opening the .CRF file on a different operating system or device. This can help determine if the issue is specific to one system or device.
    10. Contact technical support: If none of the above steps work, consider reaching out to the technical support of the software or device manufacturer for further assistance. They might have specific troubleshooting steps or solutions for opening .CRF files.
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