7-Zip Repair Tool: Fix Data Errors and Recover Corrupted Files

Is There Any 7-Zip Repair Tool to Fix the Data Error?

7-Zip is a free, open-source software that allows users to compress and decompress files with high efficiency. With its user-friendly interface and robust performance, 7-Zip has become a popular choice for individuals and businesses looking to manage large volumes of data or reduce file sizes.

Despite the widespread use of 7-Zip for handling and managing archives, you may encounter numerous issues that hinder the successful extraction or compression of files. One common issue is the Data Error, which typically occurs when 7-Zip fails to properly decompress a file. This error can be caused by several factors, including file corruption, disk errors, or insufficient system resources.

If you’ve encountered this issue after an interrupted download, it’s likely that the archive is corrupted. Take it easy. Keep reading this post to learn how to use 7-Zip repair tools to fix data errors and recover damaged 7-Zip files efficiently.  

How to Fix 7-Zip Data Error Effectively?

While 7-Zip doesn't offer a built-in repair tool, there are a few 7-Zip repair tools and ways you can attempt to resolve this error. This section outlines five practical methods to fix 7-Zip data errors and ensure your files are extracted successfully. Let’s explore the solutions.

Fix 1: Re-download Files

In many cases, 7-Zip fails to decompress a file because the file itself has been corrupted. You can use 7-Zip’s built-in feature to verify the integrity of the file.

Steps to Check File Integrity:

Step 1. Open the archive in 7-Zip.

Step 2. Right-click the file and select Test archive.

By doing so, 7-Zip will attempt to check the archive for integrity. If errors are detected, the file may have been corrupted during download or transfer. In this case, it's recommended to re-download it from the original source. After downloading it again, try extracting it using 7-Zip to see if the issue is resolved.

Fix 2: Repair Corrupted 7-Zip Files with WinRAR

If you are not allowed to re-download the files, try to repair them using WinRAR. WinRAR is another popular file compression and archiving tool in Windows, offering a practical solution for repairing damaged archives. Follow the steps carefully to repair 7-Zip files efficiently:

Step 1. Search WinRAR in the Windows search box and open it.

Step 2. Go to the location where your 7-Zip files are stored.

Step 3. Select the files that you want to repair. Then, click the Tools menu at the top and choose the Repair option.

Step 4. Click Browse to choose where you want to save the fixed file.

Step 5. Keep the "Treat the corrupt archive as ZIP" box is selected, then click OK.

Fix 3: Use 7-Zip Command-Line Tool

If your 7-Zip archive has minor corruption, using the 7-Zip command-line tool can help bypass certain errors that may prevent extraction through the graphical user interface (GUI). Here’s how to extract 7-Zip files using the command line:

Step 1. Press Windows Key + R to open the Run dialog.

Step 2. Type cmd and press Enter to open the Command Prompt.

Step 3. Navigate to the directory where 7-Zip is located by typing the following command:

► cd "C:\Program Files\7-Zip"

If you installed 7-Zip in a different location, change the path accordingly.

Step 4. Type the following commands to extract a desired file.

► 7z x "C:\path\to\your\archive.7z" -o"C:\path\to\extract\folder"

Step 5. If the archive is slightly corrupted, you can use the -y switch to skip errors and continue extracting the rest of the files that are not corrupted.

► 7z x "C:\path\to\your\archive.7z" -y -o"C:\path\to\extract\folder"

Step 6. After running the command, check if the extraction was successful.

Fix 4: Reinstall 7-Zip

Sometimes, the 7-Zip data error can be caused by temporary glitches or issues with the 7-Zip application or your computer's operating system. Over time, software installations can become corrupted or outdated, preventing you from decompressing files properly. In this case, you can reinstall it to ensure that you have the latest, clean version of the program, which also can help resolve many common issues. Here’s how to reinstall the latest version of 7-Zip: 

Step 1. Before reinstalling 7-Zip, first uninstall the old version.

Step 2. Go to the official 7-Zip website to download the latest version to your computer.

Step 3. Double-click the downloaded file to launch the installation process.

Step 4. Click Install and choose the default settings unless you have a specific preference for installation locations or file associations.

Step 5. Once the installation is complete, click Finish.

By following these steps, you can easily reinstall 7-Zip and resolve common issues you may have been facing with the program.

Fix 5: Avoid Virus Threats

Viruses and malware can corrupt files or interfere with 7-Zip’s functionality, causing it to stop working properly. To resolve this, it's essential to scan your computer for any potential threats and remove them. Here's how you can fix the issue:

Step 1. Download and install a trusted antivirus or anti-malware tool.

Step 2. Launch the antivirus tool and perform a comprehensive scan of your system. This will help identify and remove any viruses or malware that could be causing problems with 7-Zip.

Step 3. After the scan is done and threats are removed, re-download 7-Zip by following the steps outlined in Fix 4.

Step 4. Use it to extract the desired file again and check if the extraction was successful.

How to Recover 7-Zip Files Using Third-Party Software

If your files have been accidentally deleted or become corrupted beyond repair, using a third-party data recovery tool can be a life-saver. One such tool is AOMEI FastRecovery, a powerful yet user-friendly recovery tool that can help you retrieve lost files from various storage devices.

Whether your file loss is due to accidental deletion, system crashes, unexpected formatting, or even virus attacks, AOMEI FastRecovery offers an efficient solution to recover your important data. Feel free to download this tool and give it a try:

Here’s how to recover deleted or corrupted 7-Zip files using AOMEI FastRecovery:

Step 1: Download and install AOMEI FastRecovery, and then choose the exact partition or disk where your 7-Zip files are located.

Step 2: Scan your disk to find the deleted files. Two modes, Quick Scan and Deep Scan, are provided to comprehensively locate lost files.

Step 3: Upon scanning completion, all missing files will be displayed. Kindly choose the desired files and then click Recover.

Step 4: Specify a path for the files and wait for the process to complete.

Advantages of AOMEI FastRecovery: ◆ User-Friendly Interface: Step-by-step guidance makes it easy for users to recover their desired files without hassle. ◆ Excellent Compatibility: Supports retrieving 1000+ types of data from various devices, applying to different loss scenarios. ◆ Preview-Supported Recovery: Allows users to verify the content of files before recovering, ensuring they are restoring the correct files. ◆ High Security: Ensures your data is 100% secure throughout the recovery process.

Final Words

Dealing with the 7-Zip data error can be frustrating, but with the 7-Zip repair tools and solutions outlined in this guide, you are able to resolve this issue quickly and effectively. If your 7-Zip files have been accidentally deleted or corrupted, there’s no need to worry. AOMEI FastRecovery can help you recover lost files with ease, ensuring your files are extracted successfully.