1. Download Thunderbird 17, unzip the configuration, or overwrite the original version directly:
http://ftp.mozilla.org/pub/mozilla.org/thunderbird/releases/17.0.11esr/
2. Download Exquilla(no license management, can be used indefinitely):
https://addons.mozilla.org/en-us/thunderbird/addon/exquilla-exchange-web-services/versions/
or http://download.csdn.net/download/rainysia/7901185.
3. To integrate the calendar features of Exchange, download lightning1.9.1 and provider for Micorsoft Exchange 0.18:
https://addons.mozilla.org/en-us/thunderbird/addon/lightning/versions/
http://download.csdn.net/download/rainysia/7901249
https://addons.mozilla.org/en-us/thunderbird/addon/provider-for-microsoft-exchang/versions/
4. Add these plugins via the Add on from File option to the Thunderbird's add on, restart.
5. Configure Exquilla According to the message configuration information in Outlook.
6. Exquilla may be upgraded automatically, and once the discovery has been upgraded, replace it with the 23 version.
7.Works very well now~
Exquilla and Thunderbird 17:ubuntu free use of Microsoft Exchange Server