5 つ星中 4つの評価を受けています

投稿者: Firefox user 682d7c - 12月 8, 2017 · 固定リンク

for thunderbird52 and linux, remove the old extension of contact sidebar and go to add-ons manager window.
Now drag-drop contactssidebar-1.7.1.zip file to this window and appears the option to install the new extension.