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

STH File Recovery

What is a .STH file?

Secure file that stores the password for a Lotus Domino key ring (.KYR) file; generated automatically when the server key ring is created; saved with the same name as the key ring file; should be saved in both the Notes data directory of the client machine and the Domino directory of the server.

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

There are several common causes for ".STH" file loss or failure:

  1. Accidental deletion: Users may accidentally delete ".STH" files while organizing or cleaning up their computer system.
  2. Software or hardware issues: Issues with software or hardware can lead to ".STH" file corruption or loss. This can include system crashes, power outages, or compatibility issues with certain applications.
  3. Virus or malware attack: Malicious software can infect and damage ".STH" files, making them inaccessible or corrupt.
  4. File system errors: Errors in the file system, such as disk errors or bad sectors, can cause ".STH" files to become lost or unreadable.
  5. Improper file handling: Improper handling of ".STH" files, such as forceful shutdowns or abrupt removal of storage devices, can result in file corruption or loss.
  6. Software conflicts: Conflicts between different software applications can cause ".STH" files to become inaccessible or fail to open.
  7. File system formatting or partitioning: Formatting or partitioning a storage device without proper backup can lead to the loss of ".STH" files stored on it.
  8. Human error: Human mistakes, such as accidental formatting of the wrong drive or overwriting files, can also cause ".STH" file loss.

It is always recommended to regularly backup important files and use reliable antivirus software to minimize the risk of ".STH" file loss or failure.

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

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

Looking for how to open a stereo lotus Domino Stash File image file file?

Programs that open ".STH" files

IBM Domino IBM Domino
IBM Lotus Notes IBM Lotus Notes

Additional Information

  • File type: Lotus Domino Stash File

  • File extension: .STH

  • Developer: IBM

  • Category: Misc Files

  • Format: N/A

  • File types that use the extension .STH:

    • Lotus Domino Stash File

    • SampleTank User Preset Data File


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 11:51 #
    Leave a comment if you have any questions about Recovering lost .STH 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 process of repairing a .STH file and what tools or software are commonly used for this task?

    A .STH file is typically associated with the Microsoft Outlook email client. It is a file format used for storing theme settings and preferences. If a .STH file becomes corrupted or damaged, it may cause issues with the appearance or functionality of Outlook.

    To repair a .STH file, you can follow these steps:

    1. Close Microsoft Outlook: Make sure Outlook is not running before attempting any repairs.
    2. Restart Outlook in Safe Mode: Launch Outlook while holding the Ctrl key to start it in Safe Mode. This disables any add-ins or extensions that might interfere with the repair process.
    3. Use the Inbox Repair Tool (scanpst.exe): The Inbox Repair Tool is a built-in utility provided by Microsoft to repair corrupted Outlook data files. The tool, scanpst.exe, scans the .STH file for errors and attempts to fix them. The location of scanpst.exe may vary depending on your Outlook version and installation. Search for "scanpst.exe" on your computer, run it, and select the .STH file to be repaired.
    4. Follow the repair process: The Inbox Repair Tool will guide you through the repair process, which usually involves scanning the file, identifying errors, and providing options for repair. Follow the on-screen instructions to complete the repair.
    5. Verify the repaired file: After the repair process is complete, open Outlook and check if the .STH file is functioning properly. Verify that the themes and preferences are correctly applied and that Outlook is working as expected.

    Commonly used tools or software for repairing .STH files include:

    1. Microsoft Inbox Repair Tool (scanpst.exe): This tool is the recommended first step for repairing corrupted .STH files. It is provided by Microsoft and is available for free.
    2. Stellar Repair for Outlook: If the built-in Inbox Repair Tool fails to fix the .STH file, third-party software like Stellar Repair for Outlook can be used. It is a paid software that offers advanced repair capabilities and can handle severe corruption issues.

    Note: It is always advisable to create a backup of the original .STH file before attempting any repairs. This ensures that you can revert to the original state if the repair process causes further issues.

  • Can you provide some common reasons why a .STH file may become corrupted or damaged, requiring repair?

    There are several reasons why a .STH file may become corrupted or damaged, including:

    1. Software or hardware issues: Sudden power outages, system crashes, or hardware malfunctions can interrupt the saving or opening process of a .STH file, leading to corruption.
    2. Virus or malware infection: If a computer is infected with a virus or malware, it can modify or delete the contents of a .STH file, rendering it unreadable or corrupted.
    3. Incompatible software: Using incompatible or outdated software to open or edit a .STH file can cause corruption due to compatibility issues.
    4. File system errors: Errors within the file system, such as bad sectors on the hard drive or file system corruption, can corrupt .STH files.
    5. Improper file handling: Forcefully closing the software or abruptly shutting down the computer while a .STH file is open can result in corruption.
    6. Transferring errors: If a .STH file is transferred from one device to another using an unreliable or faulty medium, such as a damaged USB drive or a weak internet connection, it can become corrupted during the transfer process.
    7. File size limitations: If a .STH file exceeds the maximum file size limit imposed by the software or operating system, it may become corrupted.
    8. Human errors: Accidental deletion, overwriting, or improper editing of a .STH file can lead to corruption.

    It is important to regularly back up your .STH files to avoid losing important data in case of corruption or damage.

  • Are there any specific precautions or best practices to follow when attempting to repair a .STH file to avoid further data loss or complications?

    When attempting to repair a .STH file, it is important to follow certain precautions and best practices to avoid further data loss or complications. Here are some recommendations:

    1. Backup the original .STH file: Before making any changes or attempting repairs, create a backup copy of the original .STH file. This ensures that you can revert back to the original file if something goes wrong during the repair process.
    2. Use reliable software: Choose a reputable and trusted software tool specifically designed for repairing .STH files. Ensure that the software is from a reliable source and has positive user reviews.
    3. Read the documentation: Familiarize yourself with the software's documentation or user guide. Understand the repair process and any specific instructions provided by the software developer.
    4. Scan for malware: Before repairing the .STH file, scan your computer for malware or viruses. Malicious software can corrupt or damage files, so it's essential to ensure your system is clean.
    5. Use a test environment: If possible, conduct the repair process in a test environment or on a copy of the file. This minimizes the risk of accidental data loss or further damage to the original file.
    6. Follow the software instructions: Carefully follow the instructions provided by the software tool. If there are any specific steps or precautions mentioned, adhere to them.
    7. Keep backups of repaired files: Once the repair process is complete and successful, make sure to create backups of the repaired .STH file. This adds an extra layer of protection against future data loss.
    8. Verify the repaired file: After the repair, verify the integrity and functionality of the repaired .STH file. Open it with the appropriate software and ensure that all the data is intact and accessible.

    Remember, it's always recommended to consult with a professional or seek expert advice if you are unsure about the repair process or if the .STH file contains critical data.

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