Swift way to restore the corrupt ZIP or RAR archive files

Zip, Zicxac Inline Pin file is created by WinZip or WinRar utilities to reduce the size of any given file or list of files. The reduction in size of a heavy file makes it easy to be transferred over the internet, easy to share on the network and also it takes less space when stored on the computer system.

Problems and corruption issues related to ZIP files:

Often it happens that when we try to open a zip file stored on our computer or downloaded from the internet, it fails to open up. Sometimes it leads to sudden termination of application and sometimes results in popping up of some error messages. The common errors which are displayed are:
  • Zip file corrupt -- Cannot open file: it does not appear to be a valid zip archive.
  • Compressed (ZIP folders error) -- Compressed (ZIP) folder is invalid or corrupted.
  • "Unexpected end of archive" error while opening ZIP file. 
  • WinZip Self-Extractor Header Corrupt. Possible Cause: Bad Disk or File Transfer Error.
The reason for the occurrence of aforementioned errors is basically corruption. And the ZIP file becomes corrupt when a mishap such as storage media crash or failure, virus attack, interruption while downloading, power failure during creation or extraction of archive file, etc. takes place which leaves the file inaccessible. However, to extract the data from the ZIP file, you need to repair it.

How to manually repair the corrupt ZIP or RAR archives?

WinRAR program has an in-built tool embedded within it which provides the facility to repair the ZIP as well as RAR archives. You can repair the corrupt ZIP file on your own by using this in-built tool. To do so, follow the steps underneath:
  1. Click Start -> All Programs -> WinRaR -> WinRaR to open the WinRaR application.
  2. Click on the File tab of the menu bar and then click Open.
  3. The Find Archive dialog box pops up. Provide the location of the corrupt ZIP archive in it.
  4. Now, click Tools -> Repair archive.
  5. A window ‘Repairing File name.zip’ appears. Click Browse to provide the location for saving the repaired archive file.
  6. Tick on the checkbox ‘Treat the corrupt archive as ZIP’ and click OK.
  7. Click Close to exit when the ZIP archive is repaired.
With the help of the above steps, you can easily restore your corrupt ZIP or RAR archive and can then extract the files from it. But to your surprise, even after repairing the corrupt ZIP file it might fail to open up. Yes, in cases of major corruption, the in-built tool of WinRaR program often fails to deliver the desired results i.e. to repair the corrupt ZIP file.

In such a situation, you can try a commercial Zip Repair solution. Amongst the variety of available tools in the market, Kernel for ZIP is an apt Zip file repair utility that facilitates to securely repair the corrupt and damaged ZIP file. It helps to overcome all sorts of file corruption errors including CRC errors as well.
Also, with the help of this utility the users can recover multiple damaged ZIP files in a single recovery cycle. To analyze the functionality before purchase you can try it’s free evaluation version. It will give you an exact idea of the software i.e. how it works, how it repairs the ZIP or RAR archive and also you can cross check the exactness of the recovered files by using the free demo. Thereafter, you can purchase the full version of the tool and can save the recovered files at your desired location.