You need to restore a file if you have had serious problems with your web site.
To restore a backup file:
Click on the Download/Upload backup file link in the Domain Menu area.
Click on the Choose button next to the relevant area that you want to backup.
Search for and double-click on the relevant backup file (in .gz format).
Click on the Upload button.
Note: You may need to wait for a few minutes to upload and restore a large web site file.