On a recent article, Continuous Backup for Exchange Server 2013 with DPM 2012 (Part 4), I mentioned the Windows Azure Backup Service and how it can be used with Data Protection Manager. At the time the service was in a beta stage, but now it's finally in general availability.
"With the General Availability of Windows Azure Backup we have made several reliability improvements to ensure you are able to meet your offsite cloud backup needs. There will be no impact to your backups as Windows Azure Backup moves from preview to General Availability. You can continue managing cloud backups from familiar backup tools in Windows Server, Windows Server Essentials, or the Data Protection Manager component of Microsoft System Center. We recommend that you upgrade to the latest version of the Windows Azure Backup agent."