WinZip 17.5 was paid software. If you just found the installer without a , the software will revert to a "Reader" mode after 45 days. You won't be able to create new .zip files larger than a few megabytes.
Users could convert Microsoft Office documents into PDF format during the zipping process. Image Management: WinZip 17
Starting with version 17, WinZip can utilize the processing power of AMD, NVIDIA, and Intel GPUs via OpenCL to accelerate compression tasks, regardless of the bit-architecture used. Pro vs. Standard Edition Users could convert Microsoft Office documents into PDF
– Classic WinZip wizard or Explorer-style interface. It’s intuitive, with drag-and-drop support, and the “Zip and Email” feature was ahead of its time. Standard Edition – Classic WinZip wizard or Explorer-style
: This version features a significantly improved unzip engine, capable of extracting .zip and .zipx files up to four times faster than previous iterations.