How to Recover .PJPG Files from External SD Cards on Mac

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 .PJPG file recovery guide for Windows, MacOS, Android and IOS in 2025.

How to Recover .PJPG Files from External SD Cards on Mac
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What is a .PJPG file?

A PJPG file is a raster image saved in the Progressive JPEG format. It contains encoded bitmap data that enables the image to render in multiple scans from a blurry picture to a sharp image as it is downloaded. PJPG files allow image viewing programs to show previews before the final image data is received.

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

There are several common causes for ".PJPG" files to be lost or fail:

  1. Accidental deletion: Users may accidentally delete ".PJPG" files while organizing or cleaning up their files, leading to their loss.
  2. File system corruption: Issues with the file system, such as disk errors or improper shutdowns, can cause ".PJPG" files to become corrupted or inaccessible.
  3. Virus or malware infections: If a computer is infected with a virus or malware, it can lead to the corruption or deletion of files, including ".PJPG" files.
  4. Hardware failure: Problems with the storage device where the ".PJPG" files are stored, such as a hard drive failure or bad sectors, can result in data loss or file corruption.
  5. Software or application issues: Errors or bugs in software or applications used to open or manipulate ".PJPG" files can cause them to fail or become unreadable.
  6. Improper file transfer: If ".PJPG" files are not transferred correctly, such as interrupted downloads or incomplete transfers, they may become corrupted or unusable.
  7. Operating system updates or upgrades: Sometimes, updates or upgrades to the operating system can cause compatibility issues with certain file types, leading to ".PJPG" files failing to open or function properly.
  8. Human error: Mistakes made by users, such as accidentally formatting a storage device or overwriting ".PJPG" files with incorrect data, can result in the loss or failure of the files.

It is important to regularly back up ".PJPG" files and implement proper data recovery measures to minimize the risk of losing important data.

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

Use programs for recovering ".PJPG" 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 ".PJPG" 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™ 5.0
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 ".PJPG" 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 ".PJPG" extension?

Looking for how to open a stereo progressive JPEG Image image file file?

Programs that open ".PJPG" files

Windows
Microsoft Internet Explorer Microsoft Internet Explorer

Additional Information

  • File type: Progressive JPEG Image

  • File extension: .PJPG

  • Developer: N/A

  • Category: Raster Image Files

  • Format: Binary

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 15:01 #
    Leave a comment if you have any questions about Recovering lost .PJPG 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 reasons for encountering difficulties in opening .PJPG files and how can they be resolved?

    There could be several reasons for encountering difficulties in opening .PJPG files, and they can be resolved through the following methods:

    1. Incompatible software: .PJPG files may require specific software to open them. If you don't have the appropriate software installed, you won't be able to open the file. To resolve this, try installing a program that supports .PJPG files. For example, you can use Adobe Photoshop or any other image editing software that supports the .PJPG format.
    2. File corruption: If the .PJPG file is corrupted or incomplete, you may face difficulties in opening it. This can happen due to incomplete downloads or errors during file transfer. In such cases, try downloading or transferring the file again to ensure it is complete and intact.
    3. Incorrect file extension: Sometimes, the file extension may be incorrect or misspelled. Instead of .PJPG, it could be .JPEG or .JPG. To resolve this, try changing the file extension to .JPEG or .JPG and attempt to open the file again.
    4. Outdated software: If you have the required software to open .PJPG files but it is outdated, it may not support the file format. Update the software to the latest version and try opening the file again.
    5. File conversion: If none of the above methods work, you can try converting the .PJPG file to a more common image format like .JPEG or .PNG using online file conversion tools. Once converted, you should be able to open the file with any image viewer or editor.

    If none of these methods work, it is possible that the .PJPG file is not a commonly used or recognized file format. In such cases, you may need to contact the source of the file or the person who sent it to you to determine the correct software or method to open it.

  • Are there any specific software or applications that can effectively fix issues related to opening .PJPG files?

    There are several software and applications that can help fix issues related to opening .PJPG files. Here are a few options:

    1. File Viewer Plus: It is a universal file viewer that supports over 300 file formats, including .PJPG files. It can open, edit, and convert various file types, helping to resolve any compatibility issues.
    2. IrfanView: It is a popular image viewer and editor that can handle a wide range of file formats, including .PJPG files. It provides various tools to view, resize, and convert images, which can help resolve any opening issues.
    3. Adobe Photoshop: As a professional image editing software, Adobe Photoshop can open and edit .PJPG files. It offers advanced features and compatibility options that can potentially fix any problems related to opening these files.
    4. XnView: It is a powerful image viewer and converter that supports numerous file formats, including .PJPG files. It can open and display images in different formats, making it a useful tool to address any opening issues.
    5. Online file converters: There are various online platforms that offer file conversion services. You can upload the .PJPG file to such platforms and convert it to a more common image format like .JPEG or .PNG, which can then be opened without any issues.

    Remember to always download software or applications from trusted sources and be cautious while using online file conversion services to ensure the security of your files.

  • What troubleshooting steps can be undertaken to identify and resolve the underlying causes of problems when attempting to open .PJPG files?

    When encountering issues with opening .PJPG files, you can follow these troubleshooting steps to identify and resolve the underlying causes:

    1. Confirm File Association: Check if the .PJPG file extension is properly associated with a specific program. Right-click on the file, select "Open with," and choose the appropriate program to open .PJPG files. If the program is not listed, proceed to step 2.
    2. Update Software: Ensure that the software associated with .PJPG files is up to date. If it is outdated, visit the official website of the program and download the latest version. Install the update and try opening the .PJPG file again.
    3. Try Alternative Software: If the associated software does not support .PJPG files, try using alternative programs that are compatible with this file format. Various image viewers and editors may be able to open .PJPG files. Experiment with different programs to find one that works.
    4. Check File Integrity: Verify if the .PJPG file is not corrupted. Obtain a copy of the file from a reliable source or try opening a different .PJPG file to see if the problem persists. If the file is corrupted, you may need to obtain a new copy.
    5. Scan for Malware: Run a thorough scan of your computer using reliable antivirus or anti-malware software. Malware infections can sometimes interfere with file operations. Remove any detected threats and attempt to open the .PJPG file again.
    6. Update Drivers: Outdated or incompatible drivers can cause issues with file operations. Update your graphics card drivers, as they are often responsible for handling image files. Visit the manufacturer's website or use driver update software to ensure your drivers are up to date.
    7. Repair or Reinstall Software: If the software associated with .PJPG files is still not functioning correctly, try repairing or reinstalling it. Go to the Control Panel (Windows) or the Applications folder (Mac), find the program, and select the option to repair or uninstall/reinstall it. Follow the prompts and restart your computer if necessary.
    8. Consult Online Resources: Search online forums, communities, or support websites related to the software or file format. Others may have experienced similar problems and found solutions. Look for specific guidance on opening .PJPG files or contact the software's support team for assistance.

    By following these troubleshooting steps, you should be able to identify and resolve the underlying causes preventing you from opening .PJPG files.
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