Twinbox
Microsoft Outlook is a most commonly used software in offices. If you are working in office you can’t open twitter always but outlook is most frequently used application. So here is an outlook plugin helps you to integrate twitter in your Microsoft outlook.
Xobni
Xobni is an excellent plugin for outlook that supports twitter. Xobni brings information from the social web into your inbox. Xobni connects to LinkedIn, Facebook, Twitter, XING, Sales force and more to give you a complete view of your Outlook contacts, including information from your email and from the web.
OutTwit
OutTwit is another plugin for outlook that supports twitter.