Puntuado con 5 de 5 estrellas

Perfect! Thanks!

Puntuado con 5 de 5 estrellas

Thank you! I really needed that.
I recently upgraded from (very) old version 3.1.20 to 78 and the seach bar was removed.
Glad to get it back with one click!

Puntuado con 5 de 5 estrellas

Works like a charm!
(And I really don't understand why this is not a standard feature of Thunderbird.)