[TriLUG] FairEmail: how to add new imap folder to existing config?

[Pete Soper via TriLUG]

Apologies for cross post. Double apologies if I woke you up. I'm dealing with a minor emergency in the Netherlands and so the hours aren't of my choosing. Would love to know the taps needed to add a new IMAP folder to my existing Free Email set up. Have not found right search terms. Thanks in advance.
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This is my personal email. If you think you can exploit it you don't know me very well and should consider a more fruitful enterprise such as pounding sand