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

CBU File Recovery
Data Recovery Tool

What is a .CBU file?

Backup file created by Comodo Backup, a program used for both local and remote online storage backups; may store system files or user files such as mail accounts, digital photos, documents, and IM conversations; used as the native Comodo backup format and can be used for restoring lost system or personal files.

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

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

  1. Accidental deletion: Users may accidentally delete ".CBU" files while organizing or cleaning up their computer's storage.
  2. System crashes: If a computer or software crashes while a ".CBU" file is being accessed or modified, it can lead to file corruption or loss.
  3. Virus or malware attacks: Malicious software can infect and damage ".CBU" files, making them inaccessible or causing them to be deleted.
  4. Hardware failure: Hard drive failures, power outages, or other hardware issues can result in the loss or corruption of ".CBU" files.
  5. Software issues: Incompatibility issues, software bugs, or errors during the creation or extraction of ".CBU" files can lead to their failure or loss.
  6. Human error: Mistakes made by users, such as improper handling of ".CBU" files, accidental formatting of storage devices, or improper shutdowns, can result in file loss.
  7. File system errors: Errors within the file system, such as file system corruption or bad sectors on the storage device, can cause ".CBU" files to become lost or inaccessible.
  8. Software updates or upgrades: Sometimes, updates or upgrades to software applications used to create or open ".CBU" files can cause compatibility issues, leading to file loss or failure.

It is important to regularly back up ".CBU" files and maintain a reliable data recovery solution to minimize the impact of these potential causes.

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

Use programs for recovering ".CBU" 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 ".CBU" 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™ 4.9
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 ".CBU" 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 ".CBU" extension?

Looking for how to open a stereo comodo Backup File image file file?

Programs that open ".CBU" files

Windows
Comodo Backup Comodo Backup

Additional Information

  • File type: Comodo Backup File

  • File extension: .CBU

  • Developer: Comodo Group

  • Category: Backup Files

  • Format: Binary

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:11 #
    Leave a comment if you have any questions about Recovering lost .CBU 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 the common causes of problems opening .CBU files and how can they be fixed?

    There could be several reasons why you might encounter problems opening .CBU files. Here are some common causes and potential solutions:

    1. Missing or incompatible software: .CBU files are typically associated with Cobian Backup, so if you don't have this software installed or if you have an incompatible version, you may face issues. Ensure you have the latest version of Cobian Backup installed.
    2. Corrupted file: If the .CBU file is corrupted or incomplete, it may fail to open. Try downloading or obtaining the file again to ensure it is not damaged.
    3. File association errors: Sometimes, the file association for .CBU files may be incorrect, causing problems. To fix this, right-click the .CBU file, select "Open with," and choose Cobian Backup from the list. Check the box that says "Always use this program to open this type of file" to set the association permanently.
    4. Insufficient permissions: If you don't have the necessary permissions to access or open the .CBU file, you may encounter errors. Ensure that you have the appropriate permissions and try opening the file again.
    5. Outdated software: If you are using an outdated version of Cobian Backup, it might not support the .CBU file format correctly. Update Cobian Backup to the latest version and try opening the file again.
    6. File format mismatch: It's possible that the .CBU file you have is not actually in the correct format. Ensure that the file you are trying to open is indeed a valid .CBU file and not mislabeled or misnamed.

    If none of these solutions work, it's recommended to consult the official Cobian Backup documentation or seek assistance from their support team for further troubleshooting.

  • Are there any specific software or tools available to troubleshoot and repair issues with opening .CBU files?

    Yes, there are several software and tools available that can help troubleshoot and repair issues with opening .CBU files. Some of the commonly used ones include:

    1. Cobian Backup: This is the software that creates .CBU files. It also provides options to verify and repair corrupt .CBU files.
    2. WinRAR: It is a popular file compression and extraction software that can be used to open .CBU files. If the file is corrupt, WinRAR may be able to repair it or at least extract the undamaged files from it.
    3. 7-Zip: Similar to WinRAR, 7-Zip is a free and open-source file archiver that can handle .CBU files. It can help extract the contents of the file and repair any corruption if possible.
    4. File Repair Tools: There are various file repair tools available, such as File Repair, Stellar File Repair Toolkit, and Advanced File Repair. These tools specialize in repairing corrupt files of different formats, including .CBU files.
    5. Backup Software Support: Some backup software providers offer specific tools or utilities to troubleshoot and repair issues with their .CBU files. For example, Cobian Backup provides a support forum and troubleshooting guides to help users resolve any problems with .CBU files.

    It is recommended to try these tools one by one to determine which one works best for your specific .CBU file issue.

  • Are there any alternative file formats or methods that can be used as a workaround if unable to fix problems opening .CBU files?

    If you are unable to fix problems opening .CBU files, there are a few alternative file formats or methods you can try as workarounds:

    1. Convert the .CBU file: If you have access to a program that can open .CBU files, you can try converting the file to a more widely supported format like .ZIP or .RAR. Once converted, you should be able to extract the contents using standard compression tools.
    2. Use a different compression program: Instead of using the default program associated with .CBU files, try using a different compression program like 7-Zip, WinRAR, or WinZip. These programs often have broader support for various file formats and may be able to open .CBU files without any issues.
    3. Extract individual files: If you are unable to open the entire .CBU file, you can try extracting individual files from it. Some compression programs allow you to selectively extract files from an archive, even if the entire archive cannot be opened.
    4. Seek support from the file creator or source: If the .CBU file was provided by someone else or downloaded from a specific source, reach out to them for support. They may be able to provide additional guidance or offer the file in an alternative format.
    5. Check for file corruption: It's possible that the .CBU file itself is corrupt. Try downloading or obtaining the file again from a reliable source to ensure it is not a problem with the file itself.

    Remember to exercise caution when working with alternative file formats or methods, as they may not always provide a complete solution or maintain all the original functionality of the .CBU file.
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