NZB is an XML-based file format for retrieving posts from NNTP (Usenet) servers. Nowadays downloading from binary newsgroups on Usenet is easier because of NZB files. Powerful RSS filters with duplicate check to fetch and enqueue nzb-files automatically from your favorite indexers. NZB files download headers specific to a user's search instead of all headers in a newsgroup. An NZB file contains a list of pointers to the parts of a file that you can download from your ISP's Usenet “news” server. An NZB file is basically the Usenet equivalent of BitTorrent's torrent file,.