Developer reply by Christopher Leidigh
Rated 4 out of 5 stars
This is a very handy add-on. Can you please update it so it works on Thunderbird 60+?
This review is for a previous version of the add-on (5.0.0).Update for TB60 has landed !
Please report problems or new feature requests.
To create your own collections, you must have a Mozilla Add-ons account.