Thunderbird version 78 and onwards now supports OpenPGP. Following are the steps that you can take to export your OpenPGP public key from Thunderbird:
1. Go to Tools in the global menu bar, and click on OpenPGP Key Manager.
![export your openPGP public key from thunderbird](https://kb.mailfence.com/wp-content/uploads/2022/03/how-to-export-your-openPGP-public-key-from-thunderbird-1-e1682364324666.jpeg)
2. Select the OpenPGP public key that you would like to export.
![export your openPGP public key from thunderbird](https://kb.mailfence.com/wp-content/uploads/2022/03/how-to-export-your-openPGP-public-key-from-thunderbird-2.jpeg)
3. Go to File and click on Export Public Key(s) To File.
![export your openPGP public key from thunderbird](https://kb.mailfence.com/wp-content/uploads/2022/03/how-to-export-your-openPGP-public-key-from-thunderbird-3.jpeg)
4. Click on Close.
![export your openPGP public key from thunderbird](https://kb.mailfence.com/wp-content/uploads/2022/03/how-to-export-your-openPGP-public-key-from-thunderbird-4.jpeg)
Alternatively, to directly download your OpenPGP keypair’s public key, you can open account settings and select end-to-end encryption panel.
![export your openPGP public key from thunderbird](https://kb.mailfence.com/wp-content/uploads/2022/03/how-to-export-your-openPGP-public-key-from-thunderbird-5.jpeg)
For more info., check this Thunderbird OpenPGP how-to page.
You can now import the exported OpenPGP public key in your Mailfence account.