To extract files from ZIP archives getContainer method is used. This method returns the collection of ContainerItem objects.
Zip Entry can contain the following metaData:
Name Description date The time and date at which the file indicated by the Zip Entry was last modified. crc The 32-bit CRC (Cyclic Redundancy Check) on the contents of the Zip Entry. These metaData refer to a container element itself, not a document.
Here are the steps to extract an email text from Zip archives:...Assembly Product Solution GroupDocs.../ Extract data from various formats / Extract data from ZIP archives...