Mozilla Thunderbird - Backup your settings

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In the event that you have to re-install Thunderbird on your PC, here's how to backup your settings. Note that: the backup file is in the text format and can be used by other email-clients.

Manual backup

To save the contents of the address book, mail accounts, account settings or plugins installed, just save the following folder:
Under Windows XP:
    • C:\Documents and Settings\User\Application Data\Thunderbird

Under Windows Vista/7:
    • C:\Users\User\AppData\Roaming\Thunderbird
  • User: the username of the current session.

To restore the configuration, copy this entire folder to the same location.

Via an extension: Accountex

Accountex is an extension available for Thunderbird, which allows you to import or export the settings from one account to another in the RDF format.

Using a dedicated software: MozBackup

This free tool allows you to save and restore your Thunderbird profile.

MozBackup is compatible with Firefox, SeaMonkey, Mozilla Suite and Netscape.

The backup options available are:
  • General Preferences
  • Emails
  • Address Book
  • Bookmarks
  • History
  • Panels
  • Extensions
  • Saved passwords
  • Cookies
  • List of downloads
  • Certificates
  • Cache
  • Email settings
  • Ability to encrypt data saved profile

MozBackup works with Windows 98/ME/NT/2000/XP/2003/Vista.
Jean-François Pillou

Jean-François Pillou - Founder of CCM
Better known as Jeff, Jean-François Pillou is the founder of He is also CEO of CCM Benchmark and digital director at the Figaro Group.

Learn more about the CCM team