Xobni, the Outlook search and relationship plug-in, has finally begun offering the first paid version of its plug-in with the release of Xobni Plus, which expands upon the previous version of the Xobni 1.0 product series.

The company said that it has added advanced search capabilities in its new Xobni Plus to allow users find information in Microsoft Outlook faster than before.

According to Xobni, the new paid version features an advanced search query builder to search within conversations and networks, support for phrases and boolean queries, Xobni Rank-powered AutoSuggest, advanced conversation and network filtering.

The company claims that its new version allows users to instantly find the critical information and contact data from deep in the inbox, as well as find out the key attachments.

Jeff Bonforte, CEO of Xobni, said: Our mission is to help people find information in their inbox and manage relationships that exist there. Xobni Plus delivers powerful features to users so they can spend less time searching and more time doing.

The company also released the Xobni 1.8 as a free download, which includes people and attachment search, automatic contact profiles, a “threaded” view of email conversations, analytics and content integration with online services like Yahoo! Mail, Facebook, LinkedIn and Skype.

Xobni Plus is available for a one-time fee of $29.95 and requires the newest version of Xobni 1.8.