Upgrade thunderbird in Linux Mint

Hello experts.   I have  linux mint   9 installed and have been working with thunderbird.   I   found that  some of the addons I want to install require thunderbird version 3.1  or higher.   Can anyone  tell me how to upgrade the thunderbird that comes with mint?

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Joel MillerDevOps EngineerCommented:
You should still be able to click on Help> Check for updates
aduhwaleAuthor Commented:
Hi there no option for that on mine.  Take  a look at screen shot
As long as you are not running 64bit:

Run these commands to 1) add the ubuntuzilla repo, 2) update your local apt cache 3) install thunderbird 3.1:

sudo su
echo "deb http://downloads.sourceforge.net/project/ubuntuzilla/mozilla/apt all main" >> /etc/apt/sources.list.d/ubuntuzilla.list
sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com C1289A29
sudo apt-get update
sudo apt-get install thunderbird-mozilla-build

For more info on ubuntuzilla, check out http://sourceforge.net/apps/mediawiki/ubuntuzilla/index.php?title=Main_Page#Installation (since mint 9 is based on ubuntu 10.04, the packages should be compatible)

Note: I dont have a mint system to try this on, but Idoubt you will be able to cause much damage with this attempt. To undo all changes:

sudo rm /etc/apt/sources.list.d/ubuntuzilla.list
sudo apt-get update

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aduhwaleAuthor Commented:
Absolutely spot on!   worked ,  and   changed the links too  and imported my data.   Thank you
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