VB.NET applications consist of several files all located within 1 file folder. In order to submit your assignments for this class, you’ll need to shrink wrap those files into one zip file and then submit that zip file. To do this, we’ll use an application called winzip. This demonstration shows you how to create a zip file using an application called winzip. A zip file is a file that contains a group of other files all shrink wrapped together. To begin, we’ll use the File/New Archive menu option and specify the name of the zip file we want to create. I’ll called mine Prog1.