New to Thunderbird?

• New in Thunderbird 10
• Thunderbird FAQ
• Automatic Account Configuration
• Keyboard Shortcuts
• Make Thunderbird the Default Mail Client
• Switching to Thunderbird from Windows or Web-Based Email Applications

Common Questions

• Using the Lightning Calendar
• How do I move my Thunderbird data to a new computer?
• Vacation Response
• Reply Above or Below Quoted Text

Can't Find an Answer?

Check out our community support forum. You can search questions and answers posted by other Thunderbird community members. If you still can't find an answer, ask the community for help by posting a question of your own.

Troubleshooting

• Thunderbird Crashes
• Sending and Receiving Emails
• Inbox or Other Folder Full
• Cannot Send Messages
• Multiple Master Password Requests

Customizing Thunderbird

• IMAP Synchronization
• Customizing the Start Page
• Message List Columns
• Signatures
• Add-Ons and Extensions FAQ

Configuring Thunderbird

• Configuration Options for Accounts
• Configuration Options for Downloading Messages
• Configuration Options for Identity
• Configuration Options for Sending Messages
• Configuration Options for Writing Messages
• All Configuration Options Pages

Advanced

• Archived Messages
• Mozilla Crash Reporter
• Small Resolution Screens

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