mozilla thunderbird mail backup and restore

That mail lives under /Mail/Local Folders. Locally stored mail could be mail you remove from an IMAP server for backup, or could be mail retrieved from a POP server. That is unique data in contrast to cached mail from IMAP servers, where the mails exist on the server, and in contrast to server configuration data, where your ISP has the information on how to connect. In some cases, you may be interested in backing up local folders only. Restoring the folder on a new system will have Thunderbird act as before. If you backup that entire profile folder, you will backup your entire configuration. In most file managers, you can then press Ctrl+ l to display the full path name in the navigation bar, and copy it from there if needed. Clicking the button 'Open Directory' next to 'Profile Directory' will open your file manager in the profile folder.

To locate the profile folder that is currently in use, click the hamburger menu (☰) in Thunderbird, then select 'Help', then 'Troubleshooting Information'. default-release` in more recent versions of Thunderbird. The name of a profile folder starts with a random unique number, and has an extension. At the same time as the messages are copied to the new folder, they will also be copied in the Gmail online backup. That includes all account configuration, preferences and cached and local email folders. Go into the folder you want to save on Thunderbird and select the existing messages, right click and select Copy to from the menu that appears, then select the destination folder in the Gmail account. Indeed, all of the data is under a profile folder under.

Mozilla thunderbird mail backup and restore