Please do <a href="https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile">regular backups</a> to protect your Thunderbird data profiles.
请<a href="https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile">定期备份</a>来保护您的 Thunderbird 配置文件。