No, there is no plug-in for 2013. According to various information on the web, you can install the plug-in for the following versions of Outlook: Outlook 2003, 2007, or 2010. They also have a page on the official website where it's specified the supported versions, but 2013 doesn't appear to be one of them.
However, if you know how to configure it for 2010, then the procedure might look the same for 2013 as well.
Use the following website to access the content: http://www.networksolutions.com/support/get-the-outlook-plug-in-now/