Ohodnotené 4 z 5 hviezdičiek

od Firefox user 682d7c dňa dec. 8, 2017 · permanentný odkaz

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.