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

MYI File Recovery

What is a .MYI file?

Index of a MyISAM table created within a MySQL database; defines the structure of the table and includes a counter in the header that shows whether or not the table has been closed properly.

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

There are several common causes of ".MYI" file loss or failure in MySQL databases. Some of these include:

  1. Accidental deletion: Human error, such as accidentally deleting the ".MYI" file, can lead to its loss or failure.
  2. System crashes: Power outages, hardware failures, or software crashes can cause the ".MYI" file to become corrupted or lost.
  3. Disk errors: Issues with the storage device where the ".MYI" file is located, such as bad sectors or disk failures, can result in file loss or corruption.
  4. Virus or malware attacks: Malicious software can infect and damage the ".MYI" file, making it unusable.
  5. Software bugs: Bugs or glitches in the MySQL database software itself can sometimes lead to ".MYI" file issues.
  6. Incomplete backups: If the ".MYI" file is not properly backed up or the backup process is interrupted, it can result in file loss or corruption.
  7. Filesystem errors: Errors in the filesystem, such as file system crashes or file system corruption, can impact the integrity of the ".MYI" file.
  8. Database upgrades or migrations: During database upgrades or migrations, there is a risk of ".MYI" file loss or failure if the process is not properly executed.

It is important to regularly back up your ".MYI" files and implement appropriate security measures to minimize the risk of file loss or failure.

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

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

Looking for how to open a stereo mySQL MyISAM Index File image file file?

Programs that open ".MYI" files


Additional Information

  • File type: MySQL MyISAM Index File

  • File extension: .MYI

  • Developer: N/A

  • Category: Data Files

  • Format: N/A

  • HEX: FE FE 07 01 00

  • ASCII: юю


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 14:49 #
    Leave a comment if you have any questions about Recovering lost .MYI 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 are common causes for problems opening .MYI files and how can they be resolved?

    There are a few common causes for problems opening .MYI files, and they can be resolved using the following methods:

    1. File Corruption: If the .MYI file is corrupted, it may cause issues while opening. To resolve this, you can try restoring the file from a backup or using file repair software to fix the corruption.
    2. Incompatible Software: If the software you are using to open the .MYI file is not compatible with it, you may encounter problems. Ensure that you are using the appropriate software that supports .MYI files, such as MySQL or other database management tools.
    3. Missing or Outdated Software: If the software required to open .MYI files is missing or outdated, it can lead to problems. Make sure you have the latest version of the software installed and update it if necessary.
    4. File Association Issues: If the .MYI file is not associated with the correct program, it may fail to open. You can manually associate the .MYI file extension with the appropriate software by right-clicking on the file, selecting "Open With," and choosing the desired program.
    5. Insufficient Permissions: If you do not have the necessary permissions to access the .MYI file, it can result in opening problems. Ensure that you have the appropriate permissions to access and modify the file.
    6. Hardware or Storage Issues: If there are problems with your hardware or storage device, it may affect the opening of .MYI files. Check your hardware connections, ensure sufficient disk space, and run diagnostics to identify and resolve any issues.

    If none of these solutions work, it is recommended to seek further assistance from technical support or consult relevant forums for specific software or database-related issues.

  • Are there any specific software or tools available to fix issues with opening .MYI files?

    Yes, there are specific software and tools available to fix issues with opening .MYI files. One such tool is the MySQL Repair Toolbox. It is designed specifically to repair and recover corrupted .MYI files in MySQL databases. Another tool is the Stellar Repair for MySQL, which can repair corrupt .MYI files and restore the database structure and data. Additionally, you can try using the MySQL command-line tool called "myisamchk" to repair and recover .MYI files.

  • What steps can be taken to recover or repair corrupted .MYI files that cannot be opened?

    If you are unable to open or access corrupted .MYI files, you can try the following steps to recover or repair them:

    1. Make a backup: Before attempting any recovery or repair process, it is crucial to create a backup of the corrupted .MYI files to prevent further data loss or damage.
    2. Check for hardware issues: Ensure that there are no hardware problems, such as a failing hard drive or faulty storage media, which may have caused the corruption. If there are any hardware issues, address them first before proceeding with the recovery process.
    3. Use built-in repair tools: Some database management systems (DBMS) provide built-in repair tools. For example, MySQL has a utility called myisamchk that can repair MyISAM tables, including the .MYI files. You can run the myisamchk command with the appropriate options to attempt repair.
    4. Use third-party recovery software: There are various data recovery software available that specialize in repairing corrupted database files, including .MYI files. These tools can scan the corrupted files, extract the data, and rebuild the database structure. Examples of such software include Stellar Repair for MySQL, DataNumen Database Recovery, and SysInfoTools MySQL Recovery Tool.
    5. Seek professional help: If the above methods fail to recover or repair the corrupted .MYI files, it may be necessary to consult a professional data recovery service. These experts have advanced tools and techniques to handle complex database corruption issues and may have a higher chance of successful recovery.

    Remember to always work on a copy of the corrupted files and avoid modifying the original files directly during the recovery process.

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