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

ACID File Recovery

What is a .ACID file?

An ACID file is a file encrypted by the ACiD algorithm. It stores a file that most likely contains confidential information such as financial, federal, commercial and personal data.

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

There are several common causes of ".ACID" files lost or failure:

  1. Accidental deletion: The most common cause is accidentally deleting the ".ACID" files from the system. This can happen when you are trying to clean up your computer or mistakenly select the wrong files for deletion.
  2. File system errors: File system errors can occur due to various reasons such as improper shutdown, power outages, or hardware issues. These errors can corrupt the ".ACID" files, making them inaccessible or causing them to fail.
  3. Virus or malware attacks: Viruses or malware can infect and damage files on your computer, including ".ACID" files. They can corrupt the files or encrypt them, rendering them unusable.
  4. Software or hardware issues: Problems with the software or hardware you are using to open or edit ".ACID" files can also lead to their loss or failure. This could include issues with the application itself, compatibility issues, or hardware failures.
  5. Formatting or partitioning errors: Formatting or partitioning errors can occur when you are trying to format a storage device or create partitions. If these errors are not handled correctly, they can result in the loss or corruption of ".ACID" files.
  6. Human error: Human error, such as accidentally moving or renaming ".ACID" files, can also lead to their loss or failure. This can happen when you are organizing or managing your files and mistakenly perform actions that affect the ".ACID" files.
  7. System crashes: System crashes can occur due to various reasons, such as software conflicts, hardware failures, or overheating. These crashes can lead to the loss or corruption of ".ACID" files if they were open or being accessed at the time of the crash.

It is important to regularly back up your ".ACID" files to prevent their loss or failure. Additionally, using reliable antivirus software, maintaining a stable system, and practicing safe file management techniques can help minimize the risk of encountering these issues.

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

Use programs for recovering ".ACID" 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 ".ACID" 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™ 4.9
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 ".ACID" 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 ".ACID" extension?

Looking for how to open a stereo aCID Encrypted File image file file?

Programs that open ".ACID" files

Windows
HEX Editor HEX Editor

Additional Information

  • File type: ACID Encrypted File

  • File extension: .ACID

  • Developer: Data on Acid

  • Category: Encoded Files

  • Format: N/A

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 12:52 #
    Leave a comment if you have any questions about Recovering lost .ACID 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 the process of ".ACID repair" and how does it work?

    ACID repair, also known as Automatic Content Integrity Detection and Repair, is a process used in distributed databases to maintain data consistency and integrity. It ensures that the database remains in a consistent state even in the presence of failures or concurrent transactions.

    The process of ACID repair typically involves the following steps:

    1. Detecting anomalies: The database system continuously monitors transactions and data operations to identify any anomalies or inconsistencies. This can be done through various mechanisms such as versioning, timestamping, or comparing expected and actual results.
    2. Isolating faulty transactions: When an anomaly is detected, ACID repair identifies the faulty transaction or operation that caused the inconsistency. This is done by analyzing the database logs or transaction history.
    3. Reverting or correcting the faulty transaction: The next step involves either reverting the faulty transaction or correcting the data to restore consistency. Depending on the nature of the failure, the system may roll back the transaction and undo its effects, or it may perform a corrective action to fix the data inconsistency.
    4. Applying repairs: Once the faulty transaction is identified and corrected, the repairs are applied to the database. This can involve updating values, reverting changes, or applying compensating transactions to bring the database back to a consistent state.

    ACID repair works by leveraging various techniques and mechanisms to ensure data consistency. It relies on the principles of Atomicity, Consistency, Isolation, and Durability (ACID) to maintain the integrity of the database. By detecting anomalies and applying appropriate repairs, ACID repair helps prevent data corruption, maintain transactional consistency, and ensure the reliability of distributed database systems.

  • What are the common causes of ".ACID" damage and how can it be repaired?

    The term ".ACID" damage is not commonly used or recognized in relation to specific causes or repair methods. However, if you are referring to acid damage in general, it can occur due to various reasons, including:

    1. Chemical Spills: Accidental spills of acidic substances like battery acid, household cleaners, or industrial chemicals can cause damage.
    2. Corrosion: Long-term exposure to acidic environments, such as high humidity or industrial pollutants, can lead to corrosion and damage.
    3. Acidic Foods or Liquids: Spilling acidic substances like lemon juice, vinegar, or soda on surfaces can cause damage over time.
    4. Acid Rain: Environmental factors like acid rain, which contains high levels of sulfuric and nitric acids, can cause damage to buildings, vehicles, and other exposed surfaces.

    Repairing acid damage depends on the extent of the damage and the affected material. Here are some general steps for repair:

    1. Safety Precautions: Ensure proper ventilation and wear protective gear like gloves and goggles when dealing with acid or corrosive substances.
    2. Neutralization: If the acid is still present, neutralize it using a suitable alkaline substance like baking soda or a commercial neutralizing agent. This helps minimize further damage.
    3. Cleaning: Thoroughly clean the affected area using a mild detergent or specialized cleaning product appropriate for the material. Rinse with clean water afterward.
    4. Surface Restoration: Depending on the material, you may need to sand, buff, or polish the damaged area to restore its appearance. This step may involve repainting or refinishing surfaces as well.
    5. Professional Assistance: For severe or extensive damage, it is advisable to seek professional help from experts who specialize in repairing specific materials or surfaces.

    Remember, the best approach to repair acid damage depends on the specific circumstances and materials involved. It is recommended to consult professionals or follow manufacturer guidelines for specific repair instructions.

  • Are there any specific tools or techniques used for ".ACID repair" and what are the potential challenges involved in the process?

    ACID repair, or Atomicity, Consistency, Isolation, and Durability repair, refers to the recovery or repair of a database system that has violated one or more of the ACID properties. While there are no specific tools or techniques exclusively designed for ACID repair, there are general approaches that can be used to address ACID violations and restore the system's integrity. Here are a few potential techniques and challenges involved in the process:

    Techniques for ACID Repair:

    1. Transaction rollback: If a transaction violates ACID properties, it can be rolled back to its previous state before the violation occurred. This can involve undoing the changes made by the transaction and restoring the database to a consistent state.
    2. Transaction replay: In some cases, it may be possible to replay the transaction using corrected or updated data to ensure ACID compliance. This can involve identifying the cause of the violation and applying appropriate modifications to the transaction.
    3. Data recovery from backups: If the ACID violation has caused data corruption or loss, restoring the database from a previous backup can be a viable option. This helps to bring the system back to a consistent state.

    Challenges in ACID Repair:

    1. Identifying the violation: Determining the cause and extent of the ACID violation can be challenging, especially in complex database systems. It requires thorough analysis and debugging to pinpoint the exact problem.
    2. Data integrity and consistency: Ensuring that the repaired database maintains data integrity and consistency is crucial. It may involve validating the data, resolving conflicts, and applying corrective measures to bring the system to a consistent state.
    3. Minimizing downtime: ACID repair often requires taking the database offline or suspending certain operations, which can impact system availability. Minimizing downtime and ensuring a smooth transition back to normal operations is a challenge.
    4. Performance impact: Depending on the repair technique used, there may be a performance impact on the database system. It is important to optimize the repair process to minimize any negative effects on system performance.
    5. Scalability: ACID repair techniques should be scalable to handle large and complex database systems. Ensuring that the repair process can handle increasing data volumes and transaction loads is a challenge.

    Overall, ACID repair involves understanding the nature of the violation, choosing appropriate repair techniques, and addressing the challenges to restore the database system's integrity and functionality.

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