Rated 1 out of 5 stars

le SireBelch ar Feabh. 1, 2019 · buan-nasc

NOTE: THIS HAS BEEN UPDATED IN A NEW PLUGIN!

I can confirm from a post elsewhere in this thread that someone else has updated the plugin and it works great with new versions of Thunderbird!

https://addons.thunderbird.net/en-us/thunderbird/addon/copy-folder-mod/