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

ADM File Recovery

What is a .ADM file?

File created when an Extensis Portfolio Catalog (.FDB file) is open in admin mode; should be automatically deleted when the Catalog is closed, but may be deleted manually if the file is not removed after closing the Catalog.

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

There are several common causes of ".ADM" files being lost or failing:

  1. Accidental deletion: Users may accidentally delete ".ADM" files while cleaning up their system or removing unnecessary files.
  2. Software conflicts: Conflicts between different software or applications can lead to the corruption or loss of ".ADM" files.
  3. Malware or viruses: Malicious software or viruses can infect and damage ".ADM" files, leading to their loss or failure.
  4. Hardware failure: Issues with the computer's hardware, such as a failing hard drive or faulty memory, can result in the loss or corruption of ".ADM" files.
  5. Improper system shutdown: If the system is not shut down properly, such as during a power outage or system crash, it can cause ".ADM" files to become corrupted or lost.
  6. Software updates or upgrades: Sometimes, when updating or upgrading software, ".ADM" files may not be properly transferred or migrated, resulting in their loss or failure.
  7. File system errors: Errors in the file system, such as file system corruption or bad sectors on the storage device, can cause ".ADM" files to become inaccessible or lost.
  8. User error: Users may accidentally move or rename ".ADM" files, making them difficult to locate or causing them to fail.

It is important to regularly backup ".ADM" files and take preventive measures such as using reliable antivirus software, avoiding software conflicts, and ensuring proper system shutdown to minimize the risk of ".ADM" file loss or failure.

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

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

Looking for how to open a stereo portfolio Admin-Level Access Flag image file file?

Programs that open ".ADM" files

Extensis Portfolio Extensis Portfolio
Extensis Portfolio Extensis Portfolio

Additional Information

  • File type: Portfolio Admin-Level Access Flag

  • File extension: .ADM

  • Developer: N/A

  • Category: Misc Files

  • Format: N/A

  • HEX: 43 4C 41 53 53 20, 3B, FF FE 43 00 4C 00 41 00 53 00 53 00 20 00

  • ASCII: CLASS, ;,

  • File types that use the extension .ADM:

    • Portfolio Admin-Level Access Flag

    • Administrative Template File


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 12:35 #
    Leave a comment if you have any questions about Recovering lost .ADM 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 does the file extension .ADM typically represent, and what is its purpose?

    The file extension .ADM typically represents Administrative Template files. These files are used in Microsoft Windows Group Policy to define registry-based policy settings.

    Administrative Template files contain settings that can be applied to computers or users in an Active Directory environment. They define the policies that can be configured using the Group Policy Editor. These policies control various aspects of the Windows operating system and installed applications.

    The .ADM files are written in a specific markup language and can be used to create custom policies or modify existing ones. They provide a standardized way to manage and enforce system settings across a network of computers.

  • How can I open a file with the .ADM extension on my computer?

    To open a file with the .ADM extension on your computer, you can follow these steps:

    1. Identify the software or program associated with .ADM files: .ADM files are typically associated with Administrative Template files used by Microsoft Group Policy. These files contain settings and configurations for managing Windows operating systems.
    2. Install the required software: If you don't have the necessary software installed, you may need to download and install the appropriate program. For .ADM files, you will need a software that supports Microsoft Group Policy, such as the Group Policy Management Console (GPMC) or the Group Policy Object Editor (GPOE).
    3. Open the file using the associated software: Once you have the required software installed, you can right-click on the .ADM file and select "Open With." Choose the appropriate program from the list, or click "Browse" to locate the program manually. Check the "Always use this program to open .ADM files" option if you want to set it as the default program for future use.
    4. Modify or view the file: After opening the .ADM file with the associated software, you can modify the settings and configurations within it according to your needs. You can also view the contents of the file to understand its structure and purpose.

    Remember to exercise caution while modifying .ADM files, as they can affect system settings and configurations.

  • Are there any specific software programs or applications required to access and view the contents of a .ADM file?

    Yes, to access and view the contents of a .ADM file, you need to use a text editor or a Group Policy Object Editor (GPOE) tool. The .ADM file is a template file used by Microsoft Group Policy to define registry-based policy settings. It contains information about the policies and their corresponding registry keys and values.

    To view and edit the contents of a .ADM file, you can use a text editor like Notepad or a dedicated GPOE tool such as the Group Policy Management Console (GPMC) provided by Microsoft. The GPMC is a feature of Windows Server and can be used to manage Group Policy settings in an Active Directory environment.

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