You can import links from other sites or systems into your blogroll via Tools > Import.

IMPORT LINKS

You import links as follows:

1. Go to Tools > Import

2. Click Run Importer under Blogroll on the Import screen.

Your OPML URL is located at the following URL:

http://yourblogtitle.edublogs.org/wp-links-opml.php
http://yourblogtitle.wordpress.com/wp-links-opml.php

4. Select your blogroll category.

5. Click the Import OPML File button.

EXPORT LINKS

You can export your links by visiting http://yourblogtitle.edublogs.org/wp-links-opml.php and then use the Save File option in your web browser, usually by clicking File -> Save As…

The wording varies depending on the browser. For example, Chrome is File > Save page as….