Before being able to restore a backup, you MUST create an empty data source and define the backup name before being able to use it. A quick step is written below:
1.To restore a data source from a backup, select it as the current data source
2.Click on File - Backup - Restore to display the list of all your backup
Devolutions Online Backup
3.Select the backup you want to restore and click on OK.
4.The Online Backup wizard will display a brief description of the backup as well as the restore destination.
5.Click on OK to complete your backup restore.