.NZB File

The nzb file extension is used for an XML-based file format for retrieving posts from NNTP (Usenet) servers. The format was conceived by the developers of the Newzbin.com Usenet Index.

The nzb is effective when used with search-capable websites. These websites create nzb files out of what is needed to be downloaded. Using this concept, headers would not be downloaded hence the NZB method is quicker and more bandwidth-efficient.

Each Usenet message has a unique identifier called the "Message ID". When a large file is posted to a Usenet newsgroup, it is usually divided into multiple messages (called segments or parts) each having its own Message-ID.

An nzb-capable Usenet client will read the Message-ID from the NZB file, download them and decode the messages back into a binary file (usually using yEnc or Uuencode).

An nzb file extension is related to the Newzbin download pointer file format developed by TechSono Engineering, Inc.

How to open:

Use SuperNZB to open *.nzb download pointer files.

How to convert:

Conversion to other formats is not possible.