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- Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings
- Thunderbird and Exchange
- Channel Choices for Thunderbird Snap and Flatpak
- Move Thunderbird data to a new computer
- What is the Mozilla Maintenance Service?
- Remote Content in Messages
- Avoid and report Mozilla tech support scams
- Protect your Thunderbird passwords with a Primary Password
- Protect your Thunderbird passwords with a Primary Password
- Primary Password is replacing Master Password in Thunderbird
- OAuth2 for 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).
Remote Content in Messages
This page explains the privacy implications of allowing remote content like images to be displayed in email messages.
Thunderbird and Junk / Spam Messages
This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").
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