You can set the backups to occur either weekly or daily, and you can get email digests of backup activity.
你可以设定每周或每天备份一次，还可以得到备份活动的邮件摘要。
For the last two, carry a backup of your presentation on a USB flash drive or email yourself a copy, or better yet, do both.
对于后两种情况，使用移动硬盘上备用文档或从邮箱中调一份，或有更好的方法，都行。
Backup has been updated to include now email account Settings that you setup yourself.
备份已更新，包括现在的电子邮件帐户设定你自己安装。
Backup has been updated to include now email account Settings that you setup yourself.
备份已更新，包括现在的电子邮件帐户设定你自己安装。
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