How to restore thunderbird profile in ubuntu
Thunderbird is a free, open source, cross-platform e-mail client and developed by the Mozilla Foundation.
Backup thunderbird profile:
Open the Thunderbird program. Click the menu button. And go to Help -> Troubleshooting Information.
In the new Troubleshooting Information window, click the Show Folder (in windows) or Open Directory (in Ubuntu) button. It will open the thunderbird current profile folder. Just exit the thunderbird program and copy all files from thunderbird profile folder.