Dealing with a Virus Attack: How to Recover .EFX Files

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

Dealing with a Virus Attack: How to Recover .EFX Files
Data Recovery Tool

What is a .EFX file?

Document created by eFax, a service that sends and receives faxes as document attachments via email; contains email attachment and email body text; can be converted into .PDF or .TIF files using eFax Messenger.

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

There are several common causes of ".EFX" files being lost or experiencing failure:

  1. Accidental deletion: Users may unintentionally delete ".EFX" files while organizing or cleaning up their computer system.
  2. File system corruption: Corruption in the file system can lead to the loss or failure of ".EFX" files. This can occur due to hardware issues, software conflicts, or improper shutdowns.
  3. Virus or malware attacks: Malicious software can infect and damage ".EFX" files, making them inaccessible or corrupt.
  4. Software or hardware issues: Problems with software applications or hardware components, such as a faulty hard drive or incompatible software, can result in the loss or failure of ".EFX" files.
  5. Power outages: Unexpected power outages or sudden system shutdowns can cause ".EFX" files to become corrupted or lost if they were being accessed or modified at the time.
  6. Human error: Mistakes made by users, such as accidental formatting of storage devices or improper handling of files, can lead to the loss or failure of ".EFX" files.
  7. Software updates or upgrades: Incompatibility issues may arise when updating or upgrading software applications, resulting in the loss or failure of ".EFX" files.
  8. Storage media issues: Problems with storage media, such as hard drives, SSDs, or memory cards, can lead to the loss or failure of ".EFX" files if they become damaged or inaccessible.
  9. File transfer errors: Errors during file transfers, such as interrupted downloads or incomplete uploads, can cause ".EFX" files to be lost or become corrupt.
  10. System crashes: System crashes or freezes can result in the loss or failure of ".EFX" files if they were open or being modified at the time of the crash.

It is important to regularly back up ".EFX" files and maintain a reliable data backup strategy to minimize the risk of losing important data.

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

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

Looking for how to open a stereo eFax Document image file file?

Programs that open ".EFX" files

Windows
j2 Global Communications eFax j2 Global Communications eFax
Mac
j2 Global Communications eFax j2 Global Communications eFax
Linux
j2 Global Communications eFax j2 Global Communications eFax

Additional Information

  • File type: eFax Document

  • File extension: .EFX

  • Developer: j2 Global Communications

  • Category: Data Files

  • Format: N/A

  • HEX: DC FE

  • ASCII: Ью

  • File types that use the extension .EFX:

    • eFax Document

    • Jedi Knight Effects File

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:08 #
    Leave a comment if you have any questions about Recovering lost .EFX 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 are some common causes for problems opening .EFX files and how can they be fixed?

    There can be several common causes for problems opening .EFX files, and they can be fixed using the following methods:

    1. Incompatible Software: If you are trying to open an .EFX file with software that does not support this file format, it may result in an error. Ensure that you have the appropriate software installed, such as eFax Messenger or eFax Viewer, which are commonly used for .EFX files.
    2. Corrupted File: If the .EFX file itself is corrupted, it may prevent it from opening. Try obtaining a fresh copy of the file, either by downloading it again or requesting it from the sender.
    3. File Association: If the file association for .EFX files is incorrect, your operating system may not recognize the file type. To fix this, right-click on the .EFX file, select "Open With," and choose the appropriate software to associate with it. You can also set the default program for .EFX files in the system settings.
    4. Outdated Software: If you have the correct software installed, but it is outdated, it may not be compatible with the latest version of .EFX files. Make sure you have the most recent version of the software installed and update it if necessary.
    5. File Conversion: If you are unable to open the .EFX file directly, you can try converting it to a more common file format like PDF or TIFF. Some eFax software may have options to export or save the .EFX file in different formats.
    6. Technical Issues: If none of the above solutions work, there might be technical issues with your system or software. Try restarting your computer, updating your operating system, or reinstalling the software to resolve any potential conflicts.

    If you continue to experience problems opening .EFX files, it may be helpful to contact the software provider's support team for further assistance.

  • Are there any specific software or tools recommended for troubleshooting and resolving issues with opening .EFX files?

    Yes, there are a few recommended software and tools for troubleshooting and resolving issues with opening .EFX files. Some of them include:

    1. eFax Messenger: This is the official software provided by eFax for opening and viewing .EFX files. It is specifically designed for handling fax files and allows you to view, print, and save .EFX files.
    2. File Viewer Plus: File Viewer Plus is a universal file viewer that supports over 300 file formats, including .EFX files. It provides a simple and easy-to-use interface for opening and viewing various file types, including .EFX files.
    3. Online file conversion tools: There are several online file conversion tools available that can convert .EFX files to more common file formats like PDF or TIFF. Simply upload the .EFX file to one of these tools, select the desired output format, and convert the file. This can help if you are unable to open .EFX files with your existing software.
    4. Third-party fax software: There are various third-party fax software available that can handle .EFX files, such as FaxTalk, Snappy Fax, or GFI FaxMaker. These software often come with additional features for managing and manipulating fax files.

    It is worth noting that the specific software or tool you choose may depend on your operating system and personal preferences.

  • Are there any alternative file formats or conversion methods that can be used if the problem persists with opening .EFX files?

    If you are having trouble opening .EFX files, there are a few alternative file formats or conversion methods you can try:

    1. Export to a different format: If you have access to the software that created the .EFX file, check if it allows you to export or save the file in a different format such as .PDF, .DOC, .XLS, or .JPEG. This way, you can convert the file to a more commonly supported format.
    2. Online file conversion tools: There are various online file conversion websites available that can convert .EFX files to other formats. Upload the .EFX file to one of these websites and choose the desired output format. Examples of such websites include Zamzar, Convertio, and Online-Convert.
    3. Using specialized software: Look for software specifically designed to open .EFX files. CorelDRAW Graphics Suite and eFax Messenger are examples of software that can open .EFX files. Ensure that you have the latest version of the software installed.
    4. Contact the file creator or sender: If you received the .EFX file from someone else, reach out to them and ask if they can provide the file in a different format that you can open. They may be able to export it to a more widely supported format for you.

    Remember to exercise caution when downloading files from the internet or using online conversion tools. Ensure that you trust the source and perform necessary security checks to avoid any potential risks.
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