

It may be a minor mistake when creating the Zip file in an application or software. As the Zip file format is open, there is an equal likelihood of receiving a Zip file with simple header issues. In other words, the information or data recorded in the central directory should be an exact copy of the data available in the local directory. The information that can be recorded in two comparable Zip file headers is equivalent by definition. It is defined in a special structure ZIP Application Note. The zip format of a file is an open-source format for access to information.

