Developer reply by Jorg K
Rated 4 out of 5 stars
Added, restarted Thunderbird, and opened TB Address Book. There were my Outlook Address Book folders too.
Easy to do.
But makes Thunderbird load more slowly (perhaps half a minute). That is OK because I don't close and re-open Thunderbird often.
Yes, there is a startup delay due to accessing the Outlook AB.
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