How to backup thunderbird email accounts in linux?

backup thunderbird email accounts in linux:

Go to mails folder using the following path,
/home/.thunderbird/xxxxxxxx.default/mails.

Mails folder contains all the mails you have received and the sub folders you have created under your account.
Copy the mails folder and save it in CD or DVD.

Whenever you need to reinstall thunderbird or reinstall OS, backup thunderbird email accounts in linux.