Exporting Your blog is pretty simple, you may want to do this to save your blog to your hard drive for safe keeping (backup) or to put it into a new blog.
To export your blog, first go to your dashboard and click settings.
Then click on export blog.
Click download blog.
Finally click save.
Your blog will then be stored as an export file (.xml) which can be kept as backup or to import to another blog.
Your original blog will not be deleted but will be just it was.