WinZip is a popular and widely used file compression utility, which compresses files and folder in Zip file format. In order to access data from the Zip file, you need to extract it. But in some cases, like corruption to the Zip file, it can not be extract and the stored data can not be accessed. The Zip corruption might be unacceptable for most of the users as these files retain valuable business information. So if the extraction process gets terminated and it does not complete successfully, your first response is obviously to find out the cause of Zip corruption and go for an appropriate Zip Recovery solution.

In a practical scenario of Zip file corruption, when you attempt to extract a Zip file, you might come across the below given error message:

“Zip file structure invalid”

After this error message, you can not access stored data from the Zip file and data loss situations occur. In order to gain access of your precious data, zip repair is required.

Cause of invalid file structure error in Zip file
You might experience this behavior of Zip file due to file header corruption. Every Zip file maintains a local file header apart from data. The header is responsible for storing critical file information such as comment, file size and file name. The local file headers are stores in a central directory that is located at the end of Zip file. When this information gets damaged, extraction could not take place.

Resolution
There is not way to re-write the Zip file header. So if you can rebuild the Zip file, go for it. But if the file was downloaded from Internet or the source is not available, then you can retrieve data by repairing and restoring the damaged file.

Repair is best possible with the help of powerful and advanced recovery tools, known as repair zip file software. These software are specifically created to methodically scan damaged Zip file and retrieve all of the inaccessible data from it. Effective and powerful scanning algorithms are used by these software to end up at absolute recovery.

Most of the Zip Repair software come equipped with simple and interactive graphical user interface and thus do not require sound technical skills to work with it. These applications do not alter the original contents of file as the have read only and non destructive conduct.

Stellar Phoenix Zip Recovery is the most excellent solution for most of the Zip corruption issues. It works well with WinZip 5.0 to WinZip 11.1. This software is designed for Microsoft Windows Vista, 2003, XP, 2000, NT and ME. It repairs Zip files up to 800 MB of size.