How to Get .SII Files Back from Formatted Memory Devices on Android

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 .SII file recovery guide for Windows, MacOS, Android and IOS in 2025.

How to Get .SII Files Back from Formatted Memory Devices on Android
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What is a .SII file?

Data file used by 18 Wheels of Steel: Haulin', a truck driving game; contains properties for a truck, such as the engine class; saved in a plain text format and often altered for creating custom truck configurations.

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

There can be several common causes for ".SII" file loss or failure. Some of them include:

  1. Accidental deletion: Users may accidentally delete the ".SII" files while organizing or cleaning up their files.
  2. Software or hardware issues: Problems with the software or hardware can lead to file corruption or loss. This can occur due to system crashes, power outages, or faulty storage devices.
  3. Virus or malware attacks: Malicious software can infect and damage files, including ".SII" files. Viruses or malware can corrupt or delete files, making them inaccessible.
  4. File system errors: Issues with the file system, such as disk errors or file system corruption, can cause ".SII" files to become lost or unreadable.
  5. Improper file handling: Improper handling of ".SII" files, such as forceful removal of storage devices without safely ejecting them, can lead to file system errors or data loss.
  6. Software conflicts: Conflicts between different software applications or incompatible software versions can result in file corruption or loss.
  7. Human error: Users may accidentally overwrite or replace ".SII" files with incorrect versions or fail to save changes properly, leading to file loss.
  8. Storage device failure: If the storage device where the ".SII" files are stored fails or becomes damaged, it can result in file loss or corruption.

It is always recommended to regularly back up important files, including ".SII" files, to prevent data loss in case of any unforeseen events.

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

Use programs for recovering ".SII" 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 ".SII" 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™ 5.0
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 ".SII" 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 ".SII" extension?

Looking for how to open a stereo 18 Wheels of Steel: Haulin' Truck Definition File image file file?

Programs that open ".SII" files

Windows
SCS 18 Wheels of Steel: Haulin' SCS 18 Wheels of Steel: Haulin'

Additional Information

  • File type: 18 Wheels of Steel: Haulin' Truck Definition File

  • File extension: .SII

  • Developer: SCS Software

  • Category: Game Files

  • Format: Text

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 15:51 #
    Leave a comment if you have any questions about Recovering lost .SII 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 an ".SII backup" file and how is it created?

    An ".SII backup" file is a type of backup file used by the Euro Truck Simulator 2 (ETS2) game. ETS2 is a popular truck simulation game, and the .SII backup file contains important game data, such as saved game progress, configuration settings, and other game-related information.

    The .SII backup file is created automatically by the game whenever a player saves their game progress or when certain game events trigger an automatic save. Additionally, players can manually create a backup of their game progress by copying the .SII file from the game's save folder to another location.

    To create a manual backup of your ETS2 game progress, follow these steps:

    1. Locate the game's save folder on your computer. The default save folder location is usually "Documents/Euro Truck Simulator 2/profiles".
    2. Open the folder that corresponds to the profile you want to back up. Each profile has a unique folder within the "profiles" directory.
    3. Inside the profile folder, you will find a file with a ".SII" extension, which represents your game progress for that profile.
    4. Copy the ".SII" file to another location on your computer or an external storage device to create a backup.

    By creating backups of your .SII files, you can ensure that your game progress is safe and can be restored if needed, even if something happens to your original save file.

  • How can I restore or open an ".SII backup" file?

    The ".SII backup" file extension is typically associated with the Euro Truck Simulator 2 game. It contains backup data for various game settings and configurations. To restore or open an ".SII backup" file, you can follow these steps:

    1. Locate the backup file: Look for the ".SII backup" file on your computer. It is usually found in the game's installation directory or in the "Documents/Euro Truck Simulator 2/profiles" folder.
    2. Rename the backup file: If the file has a ".bak" extension, remove it so that the file extension becomes ".SII".
    3. Copy the backup file: Make a copy of the ".SII backup" file in case something goes wrong during the restoration process.
    4. Open the game's profile folder: Navigate to the "Documents/Euro Truck Simulator 2/profiles" folder.
    5. Locate the profile folder: Inside the "profiles" folder, find the folder that corresponds to the profile you want to restore. Each profile has a unique numeric identifier.
    6. Replace the existing file: Replace the existing ".SII" file in the profile folder with the ".SII backup" file you want to restore. If prompted, confirm the file replacement.
    7. Launch the game: Start Euro Truck Simulator 2 and load the profile that you restored. The game should now use the restored settings and configurations from the backup file.

    Note: It is recommended to create regular backups of your game files to avoid any loss of progress or settings.

  • Are there any specific software programs or tools required to work with ".SII backup" files?

    Yes, there are specific software programs and tools that can be used to work with ".SII backup" files. ".SII" files are commonly associated with Euro Truck Simulator 2 and American Truck Simulator, where they store the game's configuration and save data.

    To work with ".SII backup" files, you can use the following software programs or tools:

    1. SII_Decrypt: This tool can decrypt and extract the contents of ".SII backup" files. It allows you to view and modify the game's configuration settings, such as controls, graphics, and more.
    2. SII Explorer: This software allows you to browse and edit the contents of ".SII backup" files. It provides a user-friendly interface to view and modify various game parameters, including truck configurations, cargo, economy, and more.
    3. Notepad++: A popular text editor like Notepad++ can be used to open and edit ".SII backup" files. However, it requires some knowledge of the file structure and formatting to make changes effectively.
    4. Save Game Editors: There are several save game editors available for Euro Truck Simulator 2 and American Truck Simulator that can directly modify the ".SII backup" files. These editors provide a more user-friendly interface and allow you to alter various aspects of the game, such as money, experience, skill points, and more.

    It's important to note that when working with ".SII backup" files, always make a backup of the original files before making any modifications.
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