Below guideline will show the steps how to remove email account in your Thunderbird.
1. Launch your
Thunderbird from your local computer
2. Click email
account you wish to remove
3. Right click go to
Settings and select the account you wish to remove or delete under
4. On the same page at the
bottom you will find Account Actions
windows will show ask you whether want to remove the account or not.
6. Lastly, you may proceed click on OK to remove the email account.