Rated 3 out of 5 stars

per Nick222 el set. 14, 2012 ·

How can I use it - do not understand?

IMAP only?
Where is it options?
How do it work and when?

per CountZero (desenvolupador) a set. 14, 2012 ·

Go to Account Settings->Archive settings and choose age of messages to archive. Thunderbird will archive messages automatically after next restart and every 24 hours in the case if you do not close Thunderbird.