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

BLOB File Recovery

What is a .BLOB file?

Data file referenced by Valve Corporation's Steam, an online software distribution program; stores user registry information for the Steam client in the file ClientRegistry.blob

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

There are several common causes for ".BLOB" files lost or failure:

  1. Accidental deletion: Users may accidentally delete ".BLOB" files while cleaning up their file system or removing unwanted files.
  2. Software or hardware issues: Issues with software or hardware components can lead to ".BLOB" file loss or failure. This can include system crashes, power outages, software bugs, or hardware malfunctions.
  3. File system corruption: File system corruption can occur due to various reasons such as improper shutdowns, disk errors, or virus/malware attacks. This corruption can result in the loss or corruption of ".BLOB" files.
  4. Human error: Human error, such as mistakenly formatting the wrong drive or partition, can result in the loss of ".BLOB" files.
  5. Application or database errors: Errors or glitches within the application or database that handles ".BLOB" files can lead to data loss or corruption.
  6. File transfer issues: Problems during file transfers, such as interrupted or incomplete transfers, can result in ".BLOB" file loss or corruption.
  7. Storage media failure: If the storage media where ".BLOB" files are stored (such as hard drives or SSDs) fails, it can lead to the loss or inaccessibility of the files.
  8. Malicious actions: Malicious actions like hacking, ransomware attacks, or unauthorized access can result in the deletion or encryption of ".BLOB" files.

It is important to regularly backup ".BLOB" files and implement proper data recovery measures to minimize the impact of such failures.

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

Use programs for recovering ".BLOB" 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 ".BLOB" 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.

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 ".BLOB" 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 ".BLOB" extension?

Looking for how to open a stereo valve Steam Archive image file file?

Programs that open ".BLOB" files

Valve Steam Valve Steam
Valve Steam Valve Steam
Valve Steam Valve Steam

Additional Information

  • File type: Valve Steam Archive

  • File extension: .BLOB

  • Developer: Valve

  • Category: Settings Files

  • Format: Binary

  • HEX: 01 50

  • ASCII: P


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 14:08 #
    Leave a comment if you have any questions about Recovering lost .BLOB 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 does the term ".BLOB" refer to in the context of computer files?

    In the context of computer files, the term ".BLOB" refers to Binary Large Object. It is a data type used to store and manage large binary data, such as images, videos, audio files, or any other type of non-textual data. BLOBs are typically stored in databases or file systems and are accessed using specific programming interfaces.

  • How can I determine the file format and contents of a .BLOB file?

    To determine the file format and contents of a .BLOB file, you can follow these steps:

    1. Check the file extension: The .BLOB file extension does not necessarily indicate a specific file format. It is a generic term for a binary large object file. The file could contain any type of data, such as images, videos, documents, or even proprietary data formats.
    2. Identify the source or application: Determine the source or application that generated or uses the .BLOB file. If you know the software or system associated with the file, it can provide clues about the file format.
    3. Consult documentation: Check if there is any documentation available for the source application or software that created the .BLOB file. The documentation might provide insights into the file format and its contents.
    4. Use a text editor: Open the .BLOB file in a text editor like Notepad or Sublime Text. While it might not be possible to directly read the contents, you may find some metadata or identifiable patterns within the file that could hint at its format or provide additional information.
    5. Try file format identification tools: There are various file format identification tools available that can analyze the file and provide information about its format. Examples include TrID, File Viewer Plus, and FileAlyzer. These tools compare the file's binary signature against a database of known file formats to identify it.
    6. Consult online resources: Search for the file extension or any known details about the file format online. Online forums, file format databases, or developer communities might have information about the specific .BLOB file format you are dealing with.
    7. Contact the file's creator or developer: If the file is associated with a specific software or system, reach out to the creator or developer for assistance. They may provide guidance on how to interpret the .BLOB file or offer specialized tools to open and view its contents.

    Remember, the process of determining the file format and contents of a .BLOB file can vary depending on its origin and purpose.

  • What are some common methods or software tools to open and access the contents of a .BLOB file?

    There are several methods and software tools to open and access the contents of a .BLOB file. Here are a few common ones:

    1. Database Management Systems (DBMS): If the .BLOB file is associated with a specific database, you can use the respective DBMS to open and access the contents. For example, MySQL, Oracle, or Microsoft SQL Server provide tools to handle BLOB data.
    2. Text Editors: Some .BLOB files may contain plain text or ASCII data. In such cases, you can try opening the file with a text editor like Notepad, Sublime Text, or Atom. However, this method may not work if the .BLOB file contains binary data.
    3. Database Browser Tools: Various database browser tools like DB Browser for SQLite, DBeaver, or HeidiSQL offer features to view and extract data from BLOB fields in databases.
    4. File Extraction Tools: If the .BLOB file is compressed or archived, you can use file extraction tools like WinRAR, 7-Zip, or WinZip to extract the contents. These tools can handle various archive formats, including .zip, .rar, and .tar.
    5. Image/Video/Audio Editors: If the .BLOB file contains media data, you can use specific software tools to open and access the contents. For example, image editors like Adobe Photoshop or GIMP, video editors like Adobe Premiere Pro or Final Cut Pro, or audio editors like Audacity can handle respective media formats.
    6. Database Backup/Restore Tools: If the .BLOB file is part of a database backup, you can use database backup/restore tools provided by the respective DBMS to restore the backup and access the contents.

    It's important to note that the method or software tool to open and access .BLOB files may vary depending on the specific file format, associated software, or purpose of the file.

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