Did you miss the need to pay a subscription and use the proton bridge software to access your proton mail on a local machine outside a web browser. The bridge software comes with setting you must use in Thunderbird.

You have not answered my question because you have not told me how I find the proton bridge software (and I shalla sk them too). PLeae help with this? Thanks, Nigel Readings

Try the info at the following link: https://proton.me/mail/bridge Proton Mail Bridge is currently available for paid subscribers.

You might need to upgrade your account to a paid subscription in order to use it. All information is available at the link.

Proton Mail Bridge is a desktop application that runs in the background, encrypting and decrypting messages as they enter and leave your computer. It lets you add your Proton Mail account to your favorite email client via IMAP/SMTP by creating a local email server on your computer.