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CloseDeveloper reply by CountZero
Rated 3 out of 5 stars
How can I use it - do not understand?
IMAP only?
Where is it options?
How do it work and when?
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.
To create your own collections, you must have a Mozilla Add-ons account.