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

ADP File Recovery

What is a .ADP file?

Access project file that connects directly to database tables and other database objects; does not contain actual tables or queries, but is connected directly to a MSDE or SQL Server database, which stores the actual tables and database diagrams.

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

There are several common causes of ".ADP" file loss or failure:

  1. Accidental deletion: Users may accidentally delete ".ADP" files while organizing or cleaning up their computer system.
  2. Software or hardware issues: Issues with software or hardware components, such as a sudden power outage, system crash, or software malfunction, can lead to the loss or corruption of ".ADP" files.
  3. Virus or malware infection: Viruses or malware can infect and corrupt ".ADP" files, making them inaccessible or causing data loss.
  4. File system errors: File system errors, such as disk errors or bad sectors on the storage device, can result in the loss or corruption of ".ADP" files.
  5. Improper file handling: Improper handling of ".ADP" files, such as forceful termination of applications or improper shutdown of the system, can cause file corruption or loss.
  6. Human error: Human error, such as accidentally overwriting or modifying ".ADP" files, can lead to their loss or failure.
  7. Software compatibility issues: Incompatibility between different software versions or updates can result in the failure or corruption of ".ADP" files.
  8. Storage media failure: Physical damage or failure of the storage media, such as a hard drive or USB drive, can lead to the loss of ".ADP" files.

To mitigate the risk of ".ADP" file loss or failure, it is important to regularly back up important files, use reliable antivirus software, handle files with care, and maintain a healthy and properly functioning computer system.

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

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

Looking for how to open a stereo access Project image file file?

Programs that open ".ADP" files

Microsoft Access 2019 Microsoft Access 2019

Additional Information

  • File type: Access Project

  • File extension: .ADP

  • Developer: Microsoft

  • Category: Database Files

  • Format: N/A

  • HEX: D0 CF 11 E0 A1 B1 1A E1 00


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 15:15 #
    Leave a comment if you have any questions about Recovering lost .ADP 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 .ADP recovery and how does it work?

    .ADP recovery stands for Active Directory Protection (ADP) recovery. It is a feature provided by some backup and recovery solutions specifically designed for Microsoft Active Directory (AD) environments.

    Active Directory is a directory service developed by Microsoft that stores information about objects on a network, such as users, groups, computers, and other resources. ADP recovery helps in protecting and restoring the Active Directory database in case of data loss, corruption, accidental deletion, or other issues.

    Here's how ADP recovery typically works:

    1. Backup: The backup solution takes regular backups of the Active Directory database, including the system state and other relevant components. These backups can be stored on local or remote storage.
    2. Incremental Backups: ADP recovery often utilizes incremental backups, which means only changes made since the last backup are stored. This helps in reducing storage requirements and backup time.
    3. Granular Recovery: In case of accidental deletion or corruption of specific objects within Active Directory, ADP recovery allows for granular recovery. It enables administrators to restore individual objects, such as users, groups, or organizational units, without the need to restore the entire database.
    4. Authoritative and Non-Authoritative Restore: ADP recovery supports both authoritative and non-authoritative restore options. An authoritative restore is used when you want to restore a specific backup and make it the authoritative copy of the Active Directory. A non-authoritative restore is used when you want to restore the database but allow replication to update it with the latest changes.
    5. Disaster Recovery: ADP recovery solutions also provide disaster recovery capabilities. In case of a complete Active Directory failure, the backup solution can help in rebuilding the entire directory structure and associated objects.

    Overall, ADP recovery ensures the availability and integrity of Active Directory data, allowing organizations to quickly recover from any data loss or corruption incidents.

  • What are the common causes of .ADP file corruption or loss, and how can one recover the data?

    The common causes of .ADP file corruption or loss include:

    1. Hardware or software issues: Power outages, system crashes, or software conflicts can lead to file corruption or loss.
    2. Virus or malware infection: Malicious software can corrupt or delete files, including .ADP files.
    3. Human error: Accidental deletion, improper file handling, or formatting the wrong drive can result in data loss.

    To recover the data from a corrupted or lost .ADP file, you can try the following methods:

    1. Use a backup: If you have a backup of the .ADP file, restore it from the backup source.
    2. Check the Recycle Bin: If you accidentally deleted the .ADP file, it might still be in the Recycle Bin. Restore it from there.
    3. Data recovery software: Utilize specialized data recovery software to scan for and recover deleted or lost files, including .ADP files. Examples of such software include Recuva, EaseUS Data Recovery Wizard, or Disk Drill.
    4. Contact IT support: If you are part of an organization or company, reach out to your IT support team. They might have backup systems or tools to recover lost or corrupted files.
    5. Professional data recovery services: If the .ADP file is critical and other methods fail, you can consider contacting professional data recovery services. These services have advanced tools and techniques to recover data from corrupted or damaged files.

    Remember, it's crucial to act quickly to increase the chances of successful data recovery. Avoid using the affected drive or saving new data to it until the recovery process is complete.

  • Are there any specific software tools or methods available for .ADP recovery, and what are their features and limitations?

    Yes, there are software tools and methods available for .ADP recovery. Here are a few commonly used options:

    1. DataNumen Access Repair: This software tool is designed specifically for repairing and recovering corrupt or damaged Microsoft Access databases, including .ADP files. It can repair various database objects such as tables, queries, forms, reports, macros, and modules. It supports all versions of Microsoft Access and offers a high success rate in recovering data. However, the free trial version only allows you to preview the recovered data, and the full version comes at a cost.
    2. SysInfoTools MS Access Database Recovery: This tool is capable of recovering data from corrupt or damaged .ADP files. It supports all versions of Microsoft Access and can repair tables, queries, indexes, relations, and other database objects. It also allows users to preview the recovered data before saving. However, the free version has limited functionality, and the full version is a paid tool.
    3. Stellar Repair for Access: This software is designed to repair and recover corrupt or damaged .ADP files. It can repair various database components like tables, forms, reports, macros, etc. It supports all versions of Microsoft Access and provides a preview of the recoverable data. However, the free trial version only allows previewing, and the full version requires a purchase.


    • The success of recovery depends on the level of corruption and damage to the .ADP file.
    • Some software tools may have limited functionality in their free trial versions.
    • Recovered data may not always be 100% accurate, especially if the corruption is severe.
    • Software tools may not be able to recover encrypted or password-protected .ADP files.
    • In some cases, professional assistance may be required if the corruption is extensive or the software tools fail to recover the data.

    It's important to note that while these software tools can help in .ADP recovery, it's always recommended to have a backup of your files to avoid data loss.

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