When you're ready to back up, simply open your USB drive from the Places menu, then open your main Windows drive, and drag files to copy from your Windows system onto the backup medium.

当你准备好去备份，打开USB设备，然后打开你的Windows的主硬盘，把文件拖放到备份用但媒介上就可以了。

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So for compatibility reasons, 4extrecovery then defaults to EXT3 and informs you that you can set the file system type of that backup manually to EXT4 in the menu.

因此，出于兼容性的原因，4extrecovery则默认为ext3，并通知您，您可以在菜单中手动设置，备份的文件系统类型到ext4。

youdao

So for compatibility reasons, 4extrecovery then defaults to EXT3 and informs you that you can set the file system type of that backup manually to EXT4 in the menu.

因此，出于兼容性的原因，4extrecovery则默认为ext3，并通知您，您可以在菜单中手动设置，备份的文件系统类型到ext4。

youdao