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- Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings
- Thunderbird and Exchange
- What is the Mozilla Maintenance Service?
- Profiles - Where Thunderbird stores your messages and other user data
- Update Thunderbird to the latest version
- Compacting folders
- Thunderbird and Junk / Spam Messages
- Thunderbird add-ons - frequently asked questions
- Avoid and report Mozilla tech support scams
- Protect your Thunderbird passwords with a Primary Password
- Master password requested but not set Redirect 1
- Protect your Thunderbird passwords with a Primary Password
- Primary Password is replacing Master Password in Thunderbird
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Move Thunderbird data to a new computer
How to move Thunderbird data (accounts, messages, passwords) to a new computer.
Compacting folders
This article explains how Thunderbird stores messages on a disk drive and why it is necessary to periodically compact (purge).
Thunderbird and Junk / Spam Messages
This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").
Avoid and report Mozilla tech support scams
Mozilla does not provide telephone support and does not charge for software downloads, upgrades or technical help. Learn more.
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