Rated 2 out of 5 stars
It synchronizes properly with the Nexcloud server but I can't save or edit any contact. When I click [Save] it does nothing. (TB 68.2.2)This review is for a previous version of the add-on (43.0).
May you control the Thunderbird console (CTRL+SHIFT+J) and contact me on cardbook (at) cardbook.icu ?