Doplňky
O doplňku
Makes it possible to add custom addresses to the spaces toolbar.
It can be used to add external links / apps.
More information about the spaces toolbar:
https://support.mozilla.org/en-US/kb/new-thunderbird-102#w_take-control-of-your-personal-information-new-spaces-toolbar
It can be used to add external links / apps.
More information about the spaces toolbar:
https://support.mozilla.org/en-US/kb/new-thunderbird-102#w_take-control-of-your-personal-information-new-spaces-toolbar
