Question

What is Thunderbird ???​

Answer 1

Answer:

Mozilla Thunderbird is a free and open-source cross-platform email client, personal information manager, news client .

Explanation:

hope it helps

Answer 2

Answer:

Moz.illa Th.un der.bird is a fr.ee a.nd. op en-sou.rce cro. ss-platf.orm em.ail clie.nt, p.ers.onal informa tion ma n a g.er, n.ews clien.t, RS S and ch.at clie.nt develo.ped by the Mozilla Foundat.ion. The proj.ect st.rategy was origin.ally mode.led after th.at of Mozil.la's Firef.ox we.b bro.wser.