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

SID File Recovery

What is a .SID file?

Backup file created by Steam, an application used to download and manage Valve video games on desktop computers; contains compressed game data created by the Steam backup feature (steambackup.exe

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

There are several common causes of ".SID" (Security Identifier) files lost or failure. Some of these causes include:

  1. Accidental deletion: Users may accidentally delete ".SID" files while trying to clean up their system or remove unnecessary files.
  2. Software or hardware issues: Problems with software or hardware components of a computer system can lead to ".SID" file loss or failure. This can include issues with the operating system, disk errors, or hardware failures.
  3. Malware or virus infections: Malicious software or viruses can infect a computer system and cause damage to files, including ".SID" files.
  4. Corrupted files: If a ".SID" file becomes corrupted due to system errors, power outages, or other issues, it may become inaccessible or unusable.
  5. Improper system shutdown: If a computer is not shut down properly, such as during a power outage or system crash, it can result in file system errors and potential loss of ".SID" files.
  6. User error: Mistakes made by users, such as incorrectly modifying or moving ".SID" files, can lead to their loss or failure.
  7. Upgrades or updates: During system upgrades or updates, there is a possibility of ".SID" files being overwritten or deleted accidentally.

It is important to regularly back up important files, including ".SID" files, to prevent loss or failure. Additionally, using reliable antivirus software and practicing safe browsing habits can help protect against malware or virus infections that may cause file damage.

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

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

Looking for how to open a stereo steam Game Data Backup File image file file?

Programs that open ".SID" files

Valve Steam Valve Steam
Valve Steam Valve Steam

Additional Information

  • File type: Steam Game Data Backup File

  • File extension: .SID

  • Developer: Valve

  • Category: Game Files

  • Format: Binary

  • Mime-type: image/x-mrsid

  • HEX: 6D 73 69 64

  • ASCII: msid

  • File types that use the extension .SID:

    • Steam Game Data Backup File

    • MrSID Image

    • SID Audio File

    • ScanIt Document


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 15:55 #
    Leave a comment if you have any questions about Recovering lost .SID 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 is the purpose of ".SID Recovery" and how does it work?

    ".SID Recovery" is not a commonly known term or concept. It does not have a specific purpose or functionality that can be explained. It is possible that you are referring to a specific software, tool, or process related to system recovery, but without more context, it is difficult to provide a specific answer. If you can provide more information or clarify your question, I will be happy to assist you further.

  • Are there any specific tools or software available for ".SID Recovery"?

    Yes, there are specific tools and software available for ".SID recovery". One such tool is called "Stellar Data Recovery Professional for Windows". This software is designed to recover lost or deleted files from various storage media, including .SID files. It uses advanced scanning algorithms to search for and recover the files, and also provides options for previewing and selecting the files to be recovered. Other similar tools include "EaseUS Data Recovery Wizard" and "Recuva". It is recommended to research and choose a tool that best fits your specific requirements and operating system.

  • What are some common scenarios where ".SID Recovery" is required and what steps can be taken to successfully recover the files?

    .SID Recovery refers to the process of recovering files or data that have been encrypted or affected by a ransomware attack. Ransomware is a type of malware that encrypts files on a victim's computer and demands a ransom to decrypt them. When a ransomware attack occurs, the files are often appended with a ".SID" extension.

    Common scenarios where .SID Recovery is required include:

    1. Ransomware attack: When a user's computer is infected with ransomware, the attacker encrypts the files and adds the .SID extension to them. To regain access to the files, the user needs to recover them.
    2. Accidental file renaming: In some cases, users may accidentally rename their files with the .SID extension. This can happen due to human error or when using certain software that automatically changes file extensions.

    To successfully recover files affected by the .SID extension, the following steps can be taken:

    1. Isolate the infected system: Disconnect the infected computer from the network to prevent further spread of the ransomware. This helps contain the damage and prevents the attacker from accessing other systems.
    2. Identify the ransomware variant: Determine the specific type of ransomware that has infected the system. This information can help in finding appropriate decryption tools or seeking assistance from security experts or law enforcement agencies.
    3. Backup files: If there are any unaffected backups of the files, restore them on a clean system. This ensures that the files are recovered without paying the ransom.
    4. Research decryption options: Many security companies and organizations provide decryption tools for specific ransomware variants. Research online for available decryption tools or consult with cybersecurity professionals who specialize in ransomware recovery.
    5. Seek professional help: If no decryption tools are available, it may be necessary to seek the assistance of a professional cybersecurity firm that specializes in ransomware recovery. They may have the expertise and tools to recover the files without paying the ransom.
    6. Report the incident: Notify the appropriate authorities, such as local law enforcement or cybersecurity agencies, about the ransomware attack. Reporting the incident helps track and prevent future attacks.

    It is important to note that the success of file recovery depends on various factors, including the specific ransomware variant, the level of encryption used, and the availability of decryption tools. Prevention is always better than recovery, so regularly backing up important files and implementing robust cybersecurity measures can help mitigate the risk of ransomware attacks.

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