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- Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings
- Thunderbird and Exchange
- Move Thunderbird data to a new computer
- What is the Mozilla Maintenance Service?
- Profiles - Where Thunderbird stores your messages and other user data
- Protect your Thunderbird passwords with a Primary Password
- Master password requested but not set Redirect 1
- Certificates
- Protect your Thunderbird passwords with a Primary Password
- Primary Password is replacing Master Password in Thunderbird
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This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").
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How to move Thunderbird data (accounts, messages, passwords) to a new computer.
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Messages with large attachments are often rejected by mail servers. Thunderbird can use web-based storage services to send large file attachments.
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