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How to set up Yahoo! services (including AOL, ATT and other services that use Yahoo servers) in Thunderbird.
Mozilla does not provide telephone support and does not charge for software downloads, upgrades or technical help. Learn more.
Add-ons are extensions and other additions that add new functionality to Thunderbird or change its appearance.
This article explains how Thunderbird stores messages on a disk drive and why it is necessary to periodically compact (purge).
