How to Recover .BLK Files Lost During an Operating System Crash

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

How to Recover .BLK Files Lost During an Operating System Crash
Data Recovery Tool

What is a .BLK file?

Attribute extraction template used by AutoCAD, a 2D and 3D CAD design and documentation application; stores selected drawing elements used for publishing a drawing to a .PDF, .DWF, or .DWFX format; specifically stores the drawing blocks and their properties.

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

There can be several common causes for ".BLK" files lost or failure. Some of these causes include:

  1. Accidental deletion: Users may accidentally delete ".BLK" files while organizing or cleaning up their computer's storage.
  2. File system corruption: File system corruption can occur due to various reasons such as sudden power failure, improper system shutdown, or malware infections. This can lead to the loss or failure of ".BLK" files.
  3. Hardware failure: Issues with the computer's hard drive, such as bad sectors or physical damage, can result in the loss or failure of ".BLK" files.
  4. Software conflicts: Incompatibilities or conflicts between different software applications can cause ".BLK" files to become inaccessible or corrupted.
  5. Virus or malware attacks: Malicious software can infect and damage ".BLK" files, making them unreadable or causing them to be deleted.
  6. Software or system updates: Sometimes, updates to operating systems or software can cause compatibility issues, leading to the loss or failure of ".BLK" files.
  7. Human error: Human error, such as mistakenly formatting a storage device or overwriting ".BLK" files with incorrect data, can result in their loss or failure.
  8. Physical damage or loss of storage devices: Physical damage to storage devices like hard drives, USB drives, or memory cards can lead to the loss of ".BLK" files. Similarly, misplacing or losing these devices can result in their failure.

It is important to regularly back up ".BLK" files and take preventive measures to minimize the risk of data loss or failure.

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

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

Looking for how to open a stereo autoCAD Block Template File image file file?

Programs that open ".BLK" files

Windows
Autodesk AutoCAD 2020 Autodesk AutoCAD 2020

Additional Information

  • File type: AutoCAD Block Template File

  • File extension: .BLK

  • Developer: Autodesk

  • Category: CAD Files

  • Format: N/A

  • File types that use the extension .BLK:

    • AutoCAD Block Template File

    • ABBYY FineReader Area Template

    • BLK360 Data File

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:26 #
    Leave a comment if you have any questions about Recovering lost .BLK 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 is the purpose of .BLK formats in computer systems?

    The .BLK file format is not a standard file format in computer systems. Therefore, there is no specific purpose associated with .BLK formats. The purpose of a file format is to determine the structure and organization of data within a file, allowing the computer system to interpret and process the data correctly. However, without more context or information about a specific application or software that uses .BLK files, it is not possible to determine their purpose accurately.

  • How do .BLK formats differ from other file formats commonly used in data storage?

    .BLK formats, also known as block formats, differ from other file formats commonly used in data storage in the way they organize and store data. Here are a few key differences:

    1. Structure: .BLK formats are typically structured in fixed-size blocks or sectors, whereas other file formats like .txt, .doc, .jpeg, etc., may have variable sizes and structures depending on the content they store.
    2. Efficiency: Block formats are designed to efficiently store and retrieve data from storage devices. By using fixed-size blocks, it becomes easier to allocate and manage storage space, as well as read and write data in a sequential manner. Other file formats may not have this level of efficiency and may require additional overhead for managing storage.
    3. Direct access: Block formats allow for direct access to specific blocks of data on a storage device. This means that data can be accessed randomly without having to read through the entire file sequentially. In contrast, some file formats are designed for sequential access, where data is read or written in a linear manner from start to end.
    4. File system integration: Block formats are commonly used within file systems to manage the storage of files and directories. They are often used in conjunction with file allocation tables (FAT), indexed allocation, or other file system structures. Other file formats may not have this level of integration and may require additional metadata or indexing mechanisms.
    5. Application-specific: .BLK formats are typically used for specific applications or purposes, such as disk imaging, virtual machine storage, or raw data storage. They are often used at a lower level of abstraction compared to other file formats that are more user-friendly and application-specific.

    It's important to note that .BLK formats are not as widely known or used as other file formats like .txt, .doc, .jpeg, etc., which are designed for general-purpose data storage and are more commonly used in everyday applications.

  • Can .BLK formats be easily converted or accessed by different software applications?

    .BLK is a file format used by Autodesk's AutoCAD software for storing block definitions. While .BLK files are primarily used within AutoCAD, they can be accessed and converted by other software applications that support the AutoCAD file format.

    Some software applications that can easily access and work with .BLK files include:

    1. Autodesk AutoCAD: AutoCAD is the primary software that uses .BLK files. It allows easy access, editing, and creation of block definitions within the software.
    2. Autodesk AutoCAD LT: AutoCAD LT, a lighter version of AutoCAD, also supports .BLK files and provides basic functionality for working with block definitions.
    3. Autodesk AutoCAD-based software: Other software applications based on AutoCAD, such as AutoCAD Architecture, AutoCAD Mechanical, and AutoCAD Civil 3D, can also access and work with .BLK files.
    4. Autodesk DWG TrueView: DWG TrueView is a free software from Autodesk that allows viewing and printing of AutoCAD files, including .BLK files.
    5. Other CAD software: Some CAD software applications, especially those that support the DWG file format, may have the ability to import and work with .BLK files. However, the level of compatibility may vary.
    6. File converters: There are various file conversion tools available that can convert .BLK files to other formats, such as .DWG or .DXF, which can be easily accessed by a wider range of software applications.

    While .BLK files are primarily associated with AutoCAD, their compatibility with other software applications may depend on the specific software and its support for the AutoCAD file format.
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