Fair enough. I wonder when they added this, it definitely didn't used to be able to do that.
Re:Thunderbird Usage Continues to Grow
by w1ntermute on Sunday March 01, 2015 @08:21AM
(#9126937)
It's 5+ years old. I've been using it since at least the late 2000s.
The Gmail web app can do the exact same thing: https://support.google.com/mail/answer/22377?hl=en