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

IDX File Recovery

What is a .IDX file?

An IDX file is a data file used by various DVD playback programs to display subtitles. It contains the subtitle text as well as cue points for when each subtitle should be shown during the movie timeline. IDX files are saved with a corresponding video file, such as an .AVI or .MKV file.

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

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

  1. Accidental deletion: Users may accidentally delete ".IDX" files while organizing or cleaning up their computer's storage.
  2. Software or hardware issues: Malfunctioning software or hardware can lead to the corruption or loss of ".IDX" files. This can occur due to system crashes, power outages, or software conflicts.
  3. Virus or malware infections: If a computer gets infected by a virus or malware, it can damage or delete ".IDX" files, leading to their loss or failure.
  4. File system errors: Issues with the file system, such as disk errors or bad sectors, can cause ".IDX" files to become inaccessible or corrupted.
  5. Improper file handling: Improper handling of ".IDX" files, such as forceful shutdowns or abrupt removal of storage devices, can result in data corruption or loss.
  6. Software updates or upgrades: Sometimes, software updates or upgrades can cause compatibility issues with existing ".IDX" files, leading to their failure or loss.
  7. Human error: Human mistakes, such as accidental formatting of storage devices or incorrect file operations, can result in the loss or failure of ".IDX" files.

It is important to regularly back up important ".IDX" files to prevent their loss or failure and to use reliable data recovery software in case of any accidental deletion or corruption.

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

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

Looking for how to open a stereo movie Subtitle File image file file?

Programs that open ".IDX" files

CyberLink PowerDVD 17 CyberLink PowerDVD 17
VideoLAN VLC media player VideoLAN VLC media player
URUWorks Subtitle Workshop URUWorks Subtitle Workshop
DVDSubEdit DVDSubEdit
MPlayer MPlayer
VideoLAN VLC media player VideoLAN VLC media player
SMPlayer SMPlayer
VideoLAN VLC media player VideoLAN VLC media player
J2 Interactive MX Player J2 Interactive MX Player

Additional Information

  • File type: Movie Subtitle File

  • File extension: .IDX

  • Developer: N/A

  • Category: Misc Files

  • Format: N/A

  • Mime-type: application/octet-stream

  • HEX: 54 57 49 44 58 42 4D 4F 44


  • File types that use the extension .IDX:

    • Movie Subtitle File

    • Navigation POI File

    • Index File

    • HMI Historical Log Index File

    • Outlook Express Mailbox Index File


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 11:23 #
    Leave a comment if you have any questions about Recovering lost .IDX 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 ".IDX Recovery" and how does it work?

    ".IDX Recovery" is a term that typically refers to a file recovery process related to Microsoft Outlook. When Outlook encounters an issue or corruption with its index (.IDX) files, it may lead to problems like slow performance, search issues, or missing emails. The purpose of ".IDX Recovery" is to fix these problems by rebuilding or recreating the index files.

    Here's how it generally works:

    1. Close Outlook: Before starting the recovery process, it is recommended to close Outlook to avoid any conflicts.
    2. Locate the Index Files: The .IDX files are usually stored in a specific folder on your computer. The location may vary based on the version of Outlook and the operating system being used.
    3. Delete the Index Files: Once you find the folder containing the .IDX files, delete them. This step removes the existing index files that might be causing the issues.
    4. Reopen Outlook: Launch Outlook, and it will automatically initiate the process of rebuilding the index files. This may take some time, depending on the size of your mailbox and the number of emails.
    5. Monitor the Process: Outlook will display a status message indicating the progress of the index rebuild. It is essential to let the process complete without interruptions.
    6. Verify the Results: After the index rebuild is finished, you can check if the issues have been resolved. Outlook should now perform faster, and search functionality should work correctly. If the problems persist, further troubleshooting may be required.

    Note: The process may slightly differ based on the version of Outlook and the operating system. It is always advisable to follow the specific instructions provided by Microsoft or consult their official support documentation.

  • What are the common causes of ".IDX" file corruption or damage, and how can ".IDX Recovery" help in such scenarios?

    The ".IDX" file extension is commonly used for index files, which are used by various applications to improve data retrieval speed and efficiency. However, these files can become corrupted or damaged due to various reasons, including:

    1. Software or hardware issues: Sudden system shutdowns, power outages, software bugs, hardware failures, or disk errors can lead to index file corruption.
    2. Virus or malware attacks: Malicious software can target and modify index files, rendering them unusable.
    3. Incompatible software: If an application that uses index files is not compatible with the file format or version, it may cause corruption.
    4. Improper file handling: Forcefully closing an application or improperly terminating a process that uses index files can result in corruption.
    5. Storage media issues: Bad sectors on the storage device where the index files are stored can lead to corruption.

    In such scenarios, ".IDX Recovery" tools can help in recovering the corrupted or damaged index files. These tools employ various techniques to scan the file, detect errors, and attempt to repair them. They can reconstruct the index file structure, recover data, and restore the file to a usable state.

    However, it is important to note that the success of ".IDX Recovery" tools may vary depending on the extent of corruption and the specific tool being used. In some cases, data loss may occur, and the recovered file may not be fully functional. Therefore, it is recommended to regularly backup important index files to minimize the impact of corruption or damage.

  • Are there any specific software tools or methods recommended for ".IDX Recovery", and what are the steps involved in the recovery process?

    IDX files are commonly associated with database software, such as Microsoft Access or dBASE, and are used to store index information for faster data retrieval. If you are facing issues with IDX file corruption or recovery, here are some general steps and software tools that can be helpful:

    1. Identify the issue: Determine if the IDX file is corrupt or inaccessible. This can be done by checking error messages or observing abnormal behavior in the database software.
    2. Verify file integrity: Before attempting any recovery, ensure that the issue is not due to hardware problems or file system errors. You can use built-in tools like CHKDSK (Windows) or Disk Utility (macOS) to scan and fix any disk-related issues.
    3. Backup: It is crucial to create a backup of the corrupted IDX file before attempting any recovery. This ensures that you can revert to the original state if something goes wrong during the recovery process.
    4. Repair tools: Depending on the database software you are using, there might be specific built-in repair utilities available. For example, Microsoft Access has a built-in Compact and Repair feature that can fix minor issues with the database file, including the associated IDX file.
    5. Third-party recovery software: If the built-in repair tools fail or if you are using a different database software, you can consider using third-party recovery software. Some popular options include DataNumen Access Repair, Stellar Repair for Access, or Recovery Toolbox for DBF (for dBASE IDX files). These tools are designed to scan and recover data from corrupted IDX files.
    6. Recovery process: The exact steps for recovery will depend on the software you choose. Generally, you would need to download and install the recovery software, select the corrupted IDX file as the input, and initiate the recovery process. The software will analyze the file, attempt to repair it, and provide a recovered version of the IDX file if successful.
    7. Verification and testing: After the recovery process, it is important to verify the recovered IDX file by opening it with the associated database software. Ensure that the recovered file is functioning correctly and that the index information is intact. Perform necessary tests to confirm data integrity.

    Remember to always work on a copy of the corrupted IDX file and avoid making changes to the original file directly during the recovery process.

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