Zoolz is a cloud backup system that allows users to backup, store, and archive personal and business data ranging from 1 GB to 1 petabyte. It uses Amazon AWS infrastructure for reliable storage. Users can sign up, download the client software, and then configure backup settings like selecting files to backup and scheduling through the client interface or web interface. Zoolz prioritizes security with encryption and stores data on AWS for redundancy. It offers solutions for backing up large amounts of data long-term through its cold storage technology.