Mrkunlex
How To Back up your blog
When you back up your blog, you get an .xml file of the posts and comments:
1. In the top left, click the Down arrow .
2. Click the blog to back up.
3. In the left menu, click Settings Other.
4. In the "Import & back up" section, click Back up
Content Save to your computer.
Save a copy of your blog's theme
1. In the top left, click the Down arrow .
2. Click the blog you want.
3. In the left menu, click Theme.
4. In the top right corner, click Backup / Restore.
5. Click Download theme.