Fix ZIP Error Archive is either in Unknown Format or Damaged

“Hi, everyone yesterday I have downloaded some expensive archive documents that are related to my project. However, while trying to open those ZIP archives an error message is displaying it reads as “The archive is either in unknown format or damaged” on system. Please anyone who can resolve this kind of problems suggests me the solution, those archived files are very important for me. Thank you in advance.”

The fact is!!!

Recently I have come across query about ZIP archive as explained above in one forum. On daily basis number users might come across such kind of scenarios. However, most of the people try to fix this type of Zip file errors with their own knowledge; when they failed to resolve issues, then some users may proceed further and post their inquiries in forums as mentioned above. Majority of the users might ignore such error messages and do not bother, in case particular archived file is not much important. When users’ expensive or essential archived ZIP files become inaccessible, then they will fight for it!!!

Main reason:

Generally, ZIP archives are used to download, transfer and backup large number of files in less space and time. However like other files, ZIP file are also prone to some logical problems and display error messages like ‘the archive is either in unknown format or damaged’. The primary reason behind this error is incompatibility between version of the WinZip application and the operating system that you have installed on system. Sometimes due to ZIP archive corruption after improper download, software conflicts, header corruption might become cause for archive errors.

If you have damaged ZIP file and don’t have any idea on how to fix the archive is either in unknown format or damaged Zip error? Then Yodot ZIP Repair software provides you an appropriate solution.

ZIP archive repair software:

Whatever might be reason for ZIP archive corruption, Yodot ZIP Repair software fixes the problem within few mouse clicks. It is the best ZIP file repair tool, which can easily repair the archive is either in unknown format or damaged error on Windows system. This program has interactive and friendly interface, therefore users with less technical knowledge can repair inaccessible ZIP archive. This ZIP archive application helps to renovate damaged ZIP archive on Windows PC/laptop installed with Windows 8, Windows 7, windows Vista, Windows XP, Windows Server 2008 and 2003 operating systems.

Steps to fix ZIP archive showing the archive is damaged error on Windows:

  • Download the Yodot ZIP Repair software and install it to your Windows desktop or laptop
  • After that run the application and follow the simple onscreen guidelines
  • Choose the inaccessible ZIP archive using “Browse” option and begin the repair process by clicking on “Repair” button
  • The program will start to scan and fix the damaged ZIP file
  • After finishing the ZIP repair process, the tool displays the list of files or folders of mended ZIP file
  • At last browse for your preferred location to save corrected ZIP archive


  • Use compatible WinZip application in your system
  • Try to maintain good network while downloading expensive ZIP archives
  • Keep backup of valuable ZIP archives on removable storage devices