A ZIP file is a popular file format to store data, which supports looseness data compression. It is generally used to compress the files and increase the free space in the hard disk. After compressing the file, user can easily transfer the files over the Internet. The ZIP name means moving in a high speed and file extension use for this is .zip or .ZIP. In this blog, read the main causes of ZIP file corruption, error message after corruption and most importantly the manual procedures to repair the corrupted ZIP files.
Reason of Corruption:
- No enough space in the hard drive.
- Incomplete download process
- Incomplete compression technique
- Changes in the format of zip file extension
Some Common Error Messages:
- Corruption:Cannot read file or directory.
- Invalid compressed folder.
- Inaccessible WinZip self-extractor file.
- ZIP file contains invalid data.
- The archive is corrupt or empty.
- WinZip Self-extractor header corrupt
Zip files are an important part of technical work, but, what you need to do if your zip file gets corrupted. In such situation, you have two important options like other recovery process, i.e manual method and third party tool. Here, I am focusing on the manual method first.
Note: Take a backup copy of the zip files first and then start this recovery process.
Method 1: Using inbuilt WinRAR tool, this tool can repair ZIP and RAR files effectively.
Step 1: Start WinRAR application then, go to file menu and click open.
Step 2: Select the corrupted ZIP file in the Find Archive window.
Step 3: Now, click Open and then press Alt + R button together to start the repairing process.
Step 4: Here, a message display ‘Repairing file_name.zip’.
Step 5: Once the repairing process completed, choose Browse and save the repaired files
- Select Treat the corrupt archive as ZIPcheckbox and click OK and then
- The above method only performs in case of preinstalled WinRAR application.
- You can repair your corrupted ZIP files with the help of inbuilt WinRAR tool, but unable to repair other archive files like 7-ZIP, TAR, TAR.Gz.
Step 1: Click on Start menu and type Run to open the run box.
Press Windows + R buttons together.
Step 2: Once the Run dialog box opens, enter ‘regsvr32 %windir%\system32\zipfldr.dll‘ and press OK button.
Step 3: Above step will enable built-in ZIP support from your computer and then, restart your system and check the file.
Step 1: Click on the corrupted ZIP file.
Step 2: Select Properties, on the Home tab and Open it.
Step 3: Set Open with File Explorer, on the General tab and at bottom unblock the Security option. Now, click on OK.
Step 4: Go to Extract in the View tab on the selected file and click Extract All.
If the ZIP files are not repaired with the above manual procedures, then try any online professional ZIP recovery tool. Such tool will helps you to repair your corrupted ZIP files easily without any data loss. Also, it performs multiple files recovery of ZIP and ZIP-64 files. Learn how to repair Zip files with the ZIP Recovery Tool:
Step 1: Download and run the ZIP recovery tool.
Step 2: Then, select the file(s) and click on the Next button.
Step 3: Choose the Recovery Mode and click Next.
Step 4: All the repaired files display on the main window. Now, click Next to save .zip file.
Step 5: Wait till the saving process completed and press the OK button. Now, you can check the repaired files in your system.