How to Recover .7Z Files from Failed Cloud Storage Backups

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 .7Z file recovery guide for Windows, MacOS, Android and IOS in 2024.

How to Recover .7Z Files from Failed Cloud Storage Backups
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What is a .7Z file?

A 7Z file is a compressed archive created by various file compression utilities, most notably, Igor Pavlov's 7-Zip. It uses open-source LZMA compression, which has a high compression ratio and can include strong AES-256 (256-bit) encryption. 7Z files may contain multiple directories or files compressed to save space for storage or transportation purposes.

What Are Common Causes of ".7Z" Files Lost or Failure?

There can be several common causes of ".7Z" files being lost or experiencing failure:

  1. Accidental deletion: Users may accidentally delete ".7Z" files while organizing or cleaning up their computer or storage devices.
  2. File system corruption: Issues with the file system, such as corruption or errors, can lead to the loss or failure of ".7Z" files.
  3. Hardware failure: Malfunctioning or failing hardware components, such as hard drives or external storage devices, can result in the loss or corruption of ".7Z" files.
  4. Software or application errors: Errors or bugs within compression software or applications used to create or extract ".7Z" files can cause data loss or failure.
  5. Virus or malware attacks: Malicious software can infect and damage ".7Z" files, rendering them inaccessible or corrupt.
  6. Power outages or system crashes: Unexpected power outages or system crashes during the compression, extraction, or transfer process of ".7Z" files can lead to data loss or corruption.
  7. Incompatible software or file format: Using incompatible software or attempting to open ".7Z" files with unsupported applications can result in failure or loss of data.
  8. Human error: Mistakes made by users, such as improper handling, accidental formatting, or overwriting of ".7Z" files, can lead to their loss or failure.

It is always recommended to regularly back up important ".7Z" files to avoid potential loss or failure.

How to recover lost ".7Z" 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 ".7Z" 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 ".7Z" file is always to create it once more.

Use programs for recovering ".7Z" 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 ".7Z" 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 ".7Z" 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 ".7Z" extension?

Looking for how to open a stereo 7-Zip Compressed File image file file?

Programs that open ".7Z" files

Windows
File Viewer Plus File Viewer Plus
7-Zip 7-Zip
Corel WinZip 23 Corel WinZip 23
Smith Micro StuffIt Deluxe for Windows Smith Micro StuffIt Deluxe for Windows
B1 Free Archiver B1 Free Archiver
WinRAR 5 WinRAR 5
PeaZip PeaZip
WinInizio ZipGenius WinInizio ZipGenius
ConeXware PowerArchiver ConeXware PowerArchiver
Mac
Corel WinZip Mac 7 Corel WinZip Mac 7
Smith Micro StuffIt Deluxe 16 Smith Micro StuffIt Deluxe 16
Incredible Bee Archiver Incredible Bee Archiver
B1 Free Archiver B1 Free Archiver
Sixty Five 7zX Sixty Five 7zX
The Unarchiver The Unarchiver
p7zip p7zip
EZ7z EZ7z
Zipeg Zipeg
Keka Keka
Linux
B1 Free Archiver B1 Free Archiver
p7zip p7zip
PeaZip PeaZip
Zipeg Zipeg
Android
File Viewer for Android File Viewer for Android
RARLAB RAR RARLAB RAR
ZDevs ZArchiver ZDevs ZArchiver

Additional Information

  • File type: 7-Zip Compressed File

  • File extension: .7Z

  • Developer: Igor Pavlov

  • Category: Compressed Files

  • Format: Binary

  • Mime-type: application/x-7z-compressed

  • HEX: 37 7A BC AF 27 1C

  • ASCII: 7z

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:22 #
    Leave a comment if you have any questions about Recovering lost .7Z 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 a .7Z file extension and what does it signify in terms of file compression?

    A .7Z file extension is associated with the 7Z file format, which is an open-source file compression format created by Igor Pavlov. It signifies that the file has been compressed using the 7Z compression algorithm.

    The 7Z compression algorithm is known for its high compression ratio, meaning it can compress files to a smaller size compared to other compression formats like ZIP or RAR. It achieves this by utilizing advanced compression techniques such as LZMA (Lempel-Ziv-Markov chain algorithm) and LZMA2.

    The .7Z file extension indicates that the file has been compressed using the 7Z format and can only be opened and extracted using software that supports this format, such as 7-Zip (a popular open-source archiver) or other compatible file compression tools.

  • How can I open a .7Z file and extract its contents on my computer?

    To open and extract the contents of a .7Z file on your computer, you can follow these steps:

    1. Download and install a file archiver software that supports .7Z files. One popular option is 7-Zip, which is a free and open-source program available for Windows.
    2. Once installed, locate the .7Z file you want to extract.
    3. Right-click on the .7Z file and select "7-Zip" from the context menu.
    4. In the 7-Zip sub-menu, choose "Extract Here" to extract the contents to the current location, or select "Extract to [Folder Name]" to choose a specific destination folder.
    5. The file archiver will start extracting the contents of the .7Z file to the specified location. The extraction process may take a few moments depending on the file size and your computer's performance.
    6. Once the extraction is complete, you can access the extracted files and folders in the specified location.

    Note: The steps mentioned above are specific to using 7-Zip as the file archiver. If you are using a different software, the process may vary slightly, but the basic concept of opening and extracting .7Z files remains the same.

  • Are there any specific software or tools required to open and decompress a .7Z file, and are there any alternative file formats that can be used instead?

    To open and decompress a .7Z file, you need a file archiver software that supports the 7Z format. One popular option is 7-Zip, which is a free and open-source file archiver available for Windows.

    Alternatively, there are other file formats that can be used for compression and archiving, such as:

    1. .ZIP: This is a widely supported format that can be opened and decompressed by various software, including built-in tools in operating systems like Windows, macOS, and Linux.
    2. .RAR: This format is commonly used for compressing large files. To open and decompress .RAR files, you can use software like WinRAR or 7-Zip.
    3. .TAR.GZ or .TGZ: These formats are often used in Unix-based systems. .TAR represents the archive, while .GZ represents the compression. To open and decompress .TAR.GZ files, you can use software like 7-Zip, WinRAR, or command-line tools like tar and gzip.
    4. .ISO: This format is used for disk image files. To open and access the contents of an .ISO file, you can use software like 7-Zip, WinRAR, or mount the .ISO file as a virtual drive.

    It's important to note that the compatibility and availability of software may vary depending on your operating system.
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