PowerArchiver is a file compression and archiving software that supports various archive formats including ZIP, RAR, CAB, ISO, and more. It offers advanced compression options, such as multi-threaded compression and encryption with 256-bit AES. The software also includes a built-in FTP and cloud file manager, allowing users to upload and download files from popular cloud services like Dropbox and Google Drive. Additionally, PowerArchiver has a user-friendly interface and supports drag-and-drop functionality.