Usenet-Rewind is a research archive that helps people explore Usenet, the network of newsgroups where online communities shared messages before the modern web. Its searchable collection spans text posts from 1981 to the present and includes conversations across hundreds of thousands of newsgroups. The archive offers a way to investigate early technology support and software debates, scientific and academic discussions, hobbyist and fan communities, entertainment and news commentary, and firsthand accounts of internet history.

Visitors can search posts and replies using fields such as title or subject, message body, author, message ID, and newsgroup, with options for advanced search and date ranges. They can also browse newsgroups and explore topics, people, and events by decade. Usenet-Rewind reports more than 1.

26 billion messages, including recently added material, and notes that API access is available. The service is operated by Erie Data Systems, LLC, and provides information about pricing, sign-in, privacy, terms, and contact options