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

SUB File Recovery

What is a .SUB file?

Disc image file created in CloneCD's subchannel format; used with a .CCD and .IMG file to represent the image of a disc copied from a CD or DVD; typically uses the same filename prefix as the CCD and IMG files (e.g., image.ccd

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

There can be several common causes of ".SUB" files being lost or experiencing failure:

  1. Accidental deletion: Users may accidentally delete ".SUB" files while organizing or deleting other files on their computer.
  2. File system corruption: Issues with the file system, such as disk errors or improper shutdowns, can lead to corruption of ".SUB" files, making them inaccessible or unusable.
  3. Software or hardware issues: Problems with software or hardware components, such as a malfunctioning hard drive, can result in the loss or failure of ".SUB" files.
  4. Virus or malware attacks: Malicious software can infect and damage files on a computer, including ".SUB" files, leading to their loss or failure.
  5. Incompatible software or updates: If the software used to open or process ".SUB" files is incompatible with the file format or if there are issues with software updates, it can cause the files to become corrupted or fail.
  6. Human error: Mistakes made by users, such as improper file handling, accidental formatting, or incorrect file conversions, can result in the loss or failure of ".SUB" files.
  7. Power outages: Unexpected power outages or sudden system shutdowns can interrupt file operations and potentially cause ".SUB" files to be lost or become corrupted.
  8. Physical damage to storage media: Physical damage to storage devices, such as hard drives or memory cards, can lead to the loss or failure of ".SUB" files stored on them.

It is important to regularly backup important files, including ".SUB" files, to minimize the risk of permanent loss.

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

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

Looking for how to open a stereo cloneCD Subchannel File image file file?

Programs that open ".SUB" files

HEX Editor HEX Editor

Additional Information

  • File type: CloneCD Subchannel File

  • File extension: .SUB

  • Developer: SlySoft

  • Category: Disk Image Files

  • Format: Binary

  • HEX: FF FF FF FF FF FF FF FF FF FF FF FF 41 01 01 00 00 00 00 00 02 00 28 32 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  • File types that use the extension .SUB:

    • CloneCD Subchannel File

    • Subtitle File

    • SubTerra Level File


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 14:49 #
    Leave a comment if you have any questions about Recovering lost .SUB 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 are some common reasons for experiencing difficulties when opening .SUB files, and how can these problems be resolved?

    There can be several reasons for experiencing difficulties when opening .SUB files, and the resolution may vary depending on the specific issue. Here are some common problems and their potential solutions:

    1. Incorrect file association: If your computer doesn't recognize the .SUB file extension or opens it with the wrong program, you may need to change the default file association. Right-click on the .SUB file, select "Open with," choose the appropriate program (e.g., a video player or subtitle editor), and check the "Always use this program" option.
    2. Incompatible software: If you're trying to open a .SUB file with software that doesn't support this file format, you'll encounter difficulties. Ensure that you have the appropriate software installed, such as a media player or a subtitle editor, capable of handling .SUB files.
    3. Corrupted file: If the .SUB file is damaged or corrupted, it may not open properly. Try obtaining a new copy of the file from a reliable source and attempt to open it again.
    4. Outdated software: If you're using an outdated version of the software required to open .SUB files, it may lack compatibility or necessary features. Update the software to the latest version and try opening the file again.
    5. File conversion issues: Sometimes, .SUB files need to be converted to a different format, such as .SRT (SubRip Subtitle) or .ASS (Advanced SubStation Alpha), for compatibility with certain programs. Use a subtitle converter tool to convert the .SUB file to a different format and try opening it with the appropriate software.
    6. Insufficient privileges: If you don't have the necessary permissions to access or modify the .SUB file, you may encounter difficulties. Ensure that you have the required privileges, or try opening the file as an administrator.

    If none of these solutions work, it's possible that the .SUB file itself is corrupted or incompatible with any available software. In such cases, you may need to seek alternative sources or contact the file creator for assistance.

  • Are there any specific software programs or tools that can help in fixing issues with opening .SUB files? If so, what are they and how can they be used?

    Yes, there are specific software programs and tools that can help in fixing issues with opening .SUB files. Here are a few examples:

    1. Subtitle Workshop: Subtitle Workshop is a popular subtitle editing tool that supports various subtitle formats, including .SUB files. It allows you to fix issues with the file, such as synchronization, encoding, or formatting problems. You can open the .SUB file in Subtitle Workshop, make the necessary changes, and then save it in a compatible format.
    2. VLC Media Player: VLC is a versatile media player that can also handle subtitles. If you are having trouble opening a .SUB file, you can try opening it with VLC. Simply open the media file the subtitles are associated with, go to the "Subtitle" menu, and select "Add subtitle file." Choose the .SUB file, and VLC should display the subtitles.
    3. Aegisub: Aegisub is a powerful subtitle editor that supports various subtitle formats, including .SUB files. It provides advanced features for fixing and editing subtitles, such as timing adjustments, line breaks, and text formatting. Open the .SUB file in Aegisub, make the necessary modifications, and save it in a compatible format.
    4. Notepad or any text editor: In some cases, .SUB files are simple text files containing subtitle information. If the file is not encrypted or in a proprietary format, you can try opening it with a basic text editor like Notepad. This allows you to view and manually edit the subtitle text if needed.

    Remember, the effectiveness of these tools may vary depending on the specific issue with the .SUB file. It's always a good idea to make a backup copy of the original file before attempting any modifications.

  • Are there any alternative file formats or conversion methods that can be used to open .SUB files if the original method fails?

    If the original method of opening .SUB files fails, there are a few alternative approaches you can try:

    1. Change the file extension: Sometimes, .SUB files are actually in a different format but have been mislabeled. Try changing the file extension to .TXT or .SRT and then open the file using a text editor or subtitle software.
    2. Use a different media player: Try opening the .SUB file with a different media player that supports subtitle files. VLC Media Player and MPC-HC are popular options that can handle various subtitle formats.
    3. Convert to a different subtitle format: If the .SUB file is not compatible with your media player, you can convert it to a different subtitle format using conversion tools like Subtitle Edit or Aegisub. These tools allow you to import the .SUB file and then save it in a format supported by your media player.
    4. Extract subtitles from a video file: If the .SUB file is associated with a video file, you can use video editing software like HandBrake or FFmpeg to extract the subtitles from the video and save them in a more common subtitle format like .SRT.

    Remember, the success of these alternative methods may vary depending on the specific file and its content.

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