PowerZip 7.031 is free to download from our software library. The software is categorized as System Utilities. The actual developer of the software is Trident Software Pty Ltd.
From the developer:
Unzip downloads, create your own Zip files and password-protect (encrypt) confidential documents with PowerZip - an easy to use file compression & security program.
You may want to check out more software, such as StuffIt, FileOptimizer or FILEminimizer Office, which might be similar to PowerZip.