• Pick a product
  • Pick a topic and try some solutions
  • Register or Sign In
  • Fill in details
  • Confirm registration
  • DONE

Try one of these articles:

  • Profiles - Where Thunderbird stores your messages and other user data Thunderbird saves personal information such as messages, passwords and user preferences in a set of files called a "profile".
  • Safe Mode Thunderbird Thunderbird's Safe Mode is used for troubleshooting and fixing problems. We'll explain how to get into Safe Mode and what the various options do.
  • Cannot send messages If you cannot send messages, this page provides a series of steps you can use to check for common problems.
  • Rebuilding the Global Database Rebuilding the Global Database will initiate a re-indexing of emails and address book cards (newsgroup messages are not indexed).
  • FAQ Changing IMAP to POP If your mail server supports both IMAP and POP, Thunderbird will use IMAP by default. Use these instructions to manually configure a POP account.
Ask this
Thunderbird change product
Fix slowness, crashing, error messages and other problems change category