In addition to back up, you can use restore feature to restore your previously backed up template again. Restore feature also used when installing a new template to your blog too. Let's see how to make use of back up and restore features.
Back Up Your Template
v. Click Download full template button and you will have a backup copy of your template in XML format (.xml). Keep it in a safe place.
vi. Close the pop up.
Restore Your Template
It's all about restoring your previously saved template or installing a new template on your blog.
iv. Click on Backup/Restore button on top right.