The latest version of the Email Extractor now has included within it an Email Hunter plugin for Internet Explorer, allowing you to quietly collect email addresses as you surf.

You can also use the app to extract email addresses out of emails that you have saved in a folder. Very handy if you want to build up a mailing list out of a group of purchase receipt emails. Included are configurable filters so that you only get the emails that you want.

I can't seem to get this to work with Thunderbird.
Can you advise?
It doesn't find my Thunderbird mail files.

The problem of finding Thunderbird Mailbox is that these Mailbox can be any files.
And usually Thunderbird Mailbox are files without extension.
So - any file that could potentially be the Thunderbird Mailbox: (

Therefore, you must specify the folder in Email Extractor \ Mailbox Manager \ Add Milbox File\ - which are Thunderbird Mailbox.

The name of this folder, you can see from the very Thunderbird - it is listed among properties root.