Xobni, known for its popular Outlook plug-in, has announced its landed $7 million in Series B financing.  

Existing investors include Khosla Ventures, First Round Capital, Baseline Ventures, and Atomico.  Cisco Systems is the newest investor on board.  

As an Outlook plug-in, Xobni allows users automatic enhanced email search capabilities including instant search results as you type.  Xobni also provides email analytics with graphs and statistics on how you and your contacts use email.  The most innovative feature of Xobni is its social networking extensions connecting information from Facebook, LinkedIn, and even Yahoo profiles.  Xobni has been downloaded more than 1.5 million times.

According to the company blog, Xobni's plans for 2009 are: "To continue to expand our business and scale to meet the needs of our growing user base. Specifically, we plan to continue improvements to the quality of our product, focus on our premium business, and address the growing interest from our enterprise customer base."

Xobni was founded by Adam Smith and Matt Brezina in 2006, and is currently based out of San Francisco, CA.