Dealing with a Virus Attack and Recovering Your .DSN Files

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

Dealing with a Virus Attack and Recovering Your .DSN Files
Data Recovery Tool

What is a .DSN file?

A DSN file is a PCB (printed circuit board) design file created by OrCAD, a program used to design PCBs. It saves the circuit schematic and is often one of several files included in a OrCAD project (.OPJ file). DSN files reference "symbols," which are the electronic components used to make up the design (stored in .OLB files).

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

There are several common causes of ".DSN" files lost or failure:

  1. Accidental deletion: Users may accidentally delete the ".DSN" file while managing files or cleaning up their system.
  2. File system errors: Errors in the file system can corrupt or delete the ".DSN" file, leading to its loss or failure.
  3. Software conflicts: Conflicts between different software applications can result in the deletion or corruption of the ".DSN" file.
  4. Hardware failure: Malfunctioning hardware components, such as a faulty hard drive or memory module, can cause the ".DSN" file to become inaccessible or lost.
  5. Software bugs: Bugs or glitches in the software that uses or manages ".DSN" files can lead to their loss or failure.
  6. Virus or malware infection: Viruses or malware can infect and damage the ".DSN" file, rendering it unusable or causing its loss.
  7. Improper shutdown: If the system is improperly shut down, such as during a power outage or system crash, it can result in the loss or corruption of the ".DSN" file.
  8. Software updates or upgrades: Sometimes, during software updates or upgrades, the ".DSN" file may be overwritten or deleted unintentionally.
  9. User error: Mistakes made by users, such as accidentally moving or renaming the ".DSN" file, can lead to its loss or failure.
  10. File system migration: When migrating files from one system to another, the ".DSN" file may get lost or become incompatible with the new system.

It is important to regularly back up ".DSN" files to prevent their loss and ensure data integrity.

How to recover lost ".DSN" 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 ".DSN" file may be deleted.

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🧺 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 ".DSN" file is always to create it once more.

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

Looking for how to open a stereo orCAD Design File image file file?

Programs that open ".DSN" files

Windows
Cadence OrCAD PCB Designer Cadence OrCAD PCB Designer
Altium Designer Altium Designer

Additional Information

  • File type: OrCAD Design File

  • File extension: .DSN

  • Developer: Cadence Design Systems

  • Category: CAD Files

  • Format: Binary

  • Mime-type: application/octet-stream

  • HEX: D0 CF 11 E0 A1 B1 1A E1 00

  • File types that use the extension .DSN:

    • OrCAD Design File

    • Database Source Name File

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:35 #
    Leave a comment if you have any questions about Recovering lost .DSN 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 a ".DSN Recovery" file and how does it work?

    A ".DSN Recovery" file is a file used by Microsoft Access to recover a database connection when the original Data Source Name (DSN) used to connect to the database is lost or corrupted.

    When an Access database is linked to an external data source using a DSN, the DSN contains information about the database server, database name, and authentication details. If the DSN is deleted or becomes invalid, the database connection is lost, and Access cannot access the data.

    To recover the connection, Access creates a ".DSN Recovery" file in the same folder as the original database. This file contains a backup copy of the DSN information. When the database is opened, Access checks for the presence of the ".DSN Recovery" file. If it finds the file, it uses the information in it to recreate the DSN and establish the database connection.

    The ".DSN Recovery" file is automatically created and managed by Access, and users do not need to interact with it directly. Its purpose is to provide a fallback option for recovering the database connection in case of DSN-related issues.

  • What are the common causes of a corrupted or missing ".DSN Recovery" file, and how can it be resolved?

    There can be several causes for a corrupted or missing ".DSN Recovery" file. Here are a few common reasons:

    1. Software or system crashes: If your computer or the software you are using crashes while working with the ".DSN Recovery" file, it can lead to corruption or loss of the file.
    2. Virus or malware infection: Malicious software can infect and corrupt files on your computer, including the ".DSN Recovery" file.
    3. Accidental deletion: Human error, such as accidental deletion or moving of the file, can result in its loss.

    To resolve the issue of a corrupted or missing ".DSN Recovery" file, you can try the following solutions:

    1. Restore from a backup: If you have a backup of the ".DSN Recovery" file, you can restore it from there.
    2. Use file recovery software: There are various file recovery software available that can help you recover deleted or corrupted files. You can try using them to recover the ".DSN Recovery" file.
    3. Scan for malware: Run a thorough scan of your computer using reliable antivirus or anti-malware software to remove any infections that may be causing the issue.
    4. Check the Recycle Bin or Trash: If you accidentally deleted the ".DSN Recovery" file, check the Recycle Bin (on Windows) or Trash (on Mac) to see if it can be restored from there.
    5. Contact support: If you are using a specific software or application that uses the ".DSN Recovery" file, reach out to their support team for assistance. They may have specific troubleshooting steps or solutions for recovering or repairing the file.

    Remember to regularly back up your important files to prevent data loss and consider implementing preventive measures like using reliable antivirus software to minimize the risk of file corruption or loss.

  • Are there any specific tools or software available for recovering or repairing a ".DSN Recovery" file?

    There are several tools and software available for recovering or repairing a ".DSN Recovery" file. Some of the popular ones include:

    1. DataNumen Access Repair: It is a powerful tool specifically designed to repair corrupt or damaged Microsoft Access databases, including .DSN files.
    2. Stellar Repair for Access: This software helps in repairing corrupt .DSN files and recovering all the data stored within the file.
    3. SysInfoTools MS Access Database Recovery: It is a comprehensive tool that can repair corrupt .DSN files and recover data from them.
    4. AccessFIX: This software can repair corrupt .DSN files and recover all the database objects stored within the file.
    5. Kernel for Access Repair: It is a professional tool that can repair corrupt .DSN files and restore all the data stored within them.

    It is important to note that the effectiveness of these tools may vary depending on the extent of corruption in the .DSN file. It is always recommended to create a backup of the file before attempting any repair or recovery operation.
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