Now whenever you want to update the "backup", simply open Thunderbird and let it do its job.

现在无论何时你想升级“备份”的话，简单地打开雷鸟并让它开始做它的事情。

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How to backup your Gmail account using thunderbird?

如何用雷鸟备份你的gmail帐户？

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Using the exact instructions in this post, Thunderbird will not delete your Gmail emails and will not mark them as read so it acts exactly as a backup, without interfering with your actual emails.

在这篇文章里使用这些确凿的说明，雷鸟将不会删除你的gmail邮箱并不会标记它们为已读。 因此它确实像备份一样执行，并没有和你实际的电子邮件相干扰。

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