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Jun 14, 2024 • Filed to: Recover Files • Proven solutions

What I can do to fix the 7-zip data error?
7-zip data error is something that impedes the data recovery. This may occur due to any virus, downloading issues, or corruption in the properties of the file. Below mentioned are detailed insight regarding the definition, causes, and potential solutions for fixing 7-zip data error.

The 7-zip data error as described by definition is the error when you are unable to recover the data. This can be a real problem if you have a lot at stake. 7-zip website states that this error connotes that the data cannot be recovered but you can restore the data if you have archived the data. This article gives you an insight into how you can achieve that. By having an exact copy of your data in the ´bad archives´ this problem can be fixed as discussed. Below are some proposed methods to fix the 7-zip data error with ease and let you not distract to find out a way to keep things going. This atrocity can be solved if you have exact copies of files in the archives. Firstly, let's look at the problem at hand, i.e. what is the 7-zip data error and what are the causes?

What causes of 7-zip data error

The zip format of a file is an open-source format for access to information. It is defined in a special structure ZIP Application Note. The information that can be recorded in two comparable Zip file headers is equivalent by definition. In other words, the information or data recorded in the central directory should be an exact copy of the data available in the local directory. It needs to be accurate. As the Zip file format is open, there is an equal likelihood of receiving a Zip file with simple header issues. It may be a minor mistake when creating the Zip file in an application or software. However, the WinZip can report to you the minuscule mistakes and will treat any inconsistencies in the file format or header information as a potential security risk and report to you that the file is corrupt. Some of these issues may be solved through the Zip file fix routine.

However, in various cases, when the information contained or the data in a Zip file is corrupted or damaged, you may not be able to extract all the files completely and accurately. The damaged or corrupted data may affect the whole Zip file, a member file, or many member files of the folder. There can be various possibilities for the damage of data, from which the most usual being the transfer error while downloading the Zip files from internet sources. Some possible causes include the exposure of media to high temperatures, magnetic fields, electric fields, or mechanical problems arising with disk drivers.

The main reasons for the data error in 7-zip files are listed below:

  1. Virus: 7-zip file errors can be easily caused by a virus attack and damages the contents of the file. The virus works in a way that slowly attacks files and finally damages data. It originates from the downloaded files from the internet or sharing of information to other users etc.
  2. Downloading error: The error of 7-zip file may also occur while downloading from the internet due to slow connection or bandwidth etc. that can also lead to CRR error.
  3. File header corruption: File header is the place to contain the file name, size, and extension, etc. These details help in accessing the file. In case, the header is corrupted, the file can not be accessed.
  4. Inappropriate tool: When the 7-zip file is compressed or the use of the substandard application to uncompressing them, may lead to 7-zip file data error.

The following methods can be utilized to fix data error 7-zip:

Part 1: For Fixing ´Data Error´ By Replacement Of ´Bad´.7z Archive

When ´data error´ occurs, it means data cannot be recovered. If you have the exact copies of the files in the ´bad´ archive, the error can be fixed.


Step 1: Create a similar file with the good copies of files having the same order and settings

Step 2: Replace the ´bad´ parts of the bad.7z with ´good´ parts from another good.7z

Step 3: You must look for listings of files and logs of the ´test´ command and think about ways to replace the bad parts.

Step 4: You may directly replace the old.7z archive file with a good file and can retry decompressing the file again.

Part 2: Restart 7-Zip File and Reboot PC

Sometimes restarting and rebooting the PC worked for fixing the 7-zip file error. All you have to do is to restart your PC and reboot it and if the problem is surficial, it would be removed by doing this.

Step 1: Move the cursor on the left corner of your screen and click the power option

Step 2: Select Restart and allow your Pc a moment to restart.

Step 3: After restarting, reopen the zip file.

Step 4: you can also reboot your Pc to resolve the issue.

This is an easy method and somewhat a hit and trial method. If the problem is not too technical this issue can be resolved by following the above-mentioned steps.

Part 3: Clear Off Virus, Redownload An Extraction Tool

The virus infection is a major cause for the 7-zip file error and most people struggle to know how to fix it. It can be done as:

Step 1: Use antivirus to clear the virus in the software. You may use quick heal, Norton, or AGV antivirus.

Step 2: Then, browse the 7-zip official website to get the tool again. But, before installing the new one, be sure to uninstall the previous version. Always remember to get the same version that you used to compress the file.

Step 3: In this way, you can check again if the data error pops up.

This method is helpful to avoid any less technical issue causing the error, mainly due to the presence of any virus corrupting the zip file.

Part 4: Try Zip File Repair Tool

Stellar Zip Recovery is a powerful tool to repair broken zip files. You can repair the Zip file and extract all data that is valuable. In the office file repair tool, it is another feature of zip file repair. It can effectively repair the zip file created with 5.0 to 12.2 versions. The characteristic features of the zip file repair tool are listed as:

Follow each of the steps mentioned above and remove the 7 zip file error by using the zip file repair tool.

To sum everything up you can alter the 7-zip data error through various routes, and you may take one you desire. You can easily see the illustration in figures and the steps to follow are:

Step 1: Click on the corrupted file


Step 2: Scan the file to look for problems


Step 3: A preview should pop up so that you can verify the contents of the file

Step 4: Save the repaired file at the preferred location and you are all done!

And just like that! All your 7 zip data errors while extracting or the 7-zip file error can be corrected if you simply follow through the guidelines. You can save your data and enjoy the privilege of having the corrupted data saved!

Hence all the above methods would help to fix the issue when screen strikes with a 7 zip file error and you are left clueless what to do next. So try out these different methods and see which one works best in your case.

Recoverit author

Amy Dennis

staff Editor

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