How to Repair Bad ZIP Files?

“I downloaded a ZIP folder that had crucial files from internet and when I tried to extract its content, an error message was shown saying this Zip archive is either bad or corrupted. I was not able to access files from Zip and I could not re-download the archive again. So anyone suggest me a way to resolve bad ZIP file on Windows PC? Thanks in advance.”

ZIP is the most convenient way for safely transferring bundle of files together over internet. Zip is the compression file format that reduces overall file size and you can encrypt Zip file with password to prevent unauthorized access to contents within Zip archive. However, certain issues and irregularities damages ZIP folder, which shows bad behavior upon trying to unzip files from it. Few scenarios wherein ZIP file turns bad are given below:

  • Severe malware infection: ZIP archive turns bad and becomes unreadable when it is infected by harmful viruses/malware threats
  • Malfunctioning of WinZip tool: ZIP file can get damaged while trying to unzip it on WinZip application that is abnormally functioning
  • ZIP file header issues: Zip file turns bad and becomes inaccessible when the header of Zip file gets damaged due to virus infection, CRC error, transmission error, etc.
  • Other reasons: Download error / interruptions while downloading ZIP file from internet, using unauthenticated compression tools, abrupt termination of unzip tool while extracting ZIP file and other reasons could result in bad ZIP file

It is not possible to extract contents from bad Zip file, due to its corruption. Thus user will encounter loss of data if there is no backup. In such instances, few Microsoft Windows OS versions provide in built solution to fix bad ZIP file on the systems. So, simply run the inbuilt repair utility and resolve the issues with bad ZIP archive. If this option is not available, then go for relevant third party ZIP repair utility to fix your bad ZIP file.

Best solution for fixing bad Zip file:

Yodot ZIP Repair utility serves as the outstanding solution in fixing bad ZIP archive. This ultimate repair tool is built with advanced repair strategies that can mend corrupted, damaged or encrypted ZIP folders and provide excellent results. One can make use of this software to fix ZIP as well as ZIPX files created using WinZip, 7Zip and other standard applications on MS Windows 8, Vista, XP, 7, 2003 and 2008 OS versions.

Follow these steps to accomplish bad ZIP file repair process:

  • Download and install Yodot ZIP Repair tool on your Windows system where bad ZIP file resides
  • Launch the software by following provided instructions
  • Soon after running the software, in the main screen select the damaged ZIP archive with the help of browse button
  • After selecting the Zip file, click on “Repair” button to start repair process
  • The progress bar provided on the screen displays the status of repair process
  • After completion of repair process, repaired ZIP file is ready to access
  • Preview the contents of fixed ZIP archive using Preview option
  • Then select destination folder location to save this repaired Zip file and click save

Useful Tips:

  • Avoid interruptions while transferring / downloading ZIP folders over internet
  • Always perform a scan operation before extracting downloaded ZIP archive
  • Maintain proper backup of required important archives regularly