Unsurprisingly, this one pops up often in cloud computing basic interview questions. Azure VMS: Azure backup will help you to take the backup of your azure VMS while enabling the Azure backup and retain the backup up to 30 days by default but you can increase up to 999 days/year/Months/Weeks as per customer requirements. Azure SQL DB on VMs: This feature will help you to take the backup of your SQL Database instance, which resides inside the VMs. This feature is in preview. Azure File storage:  It will help you to take the backup of azure file storage, If we have files stored in Azure file storage, than you can enable the backup from azure recovery vault to take the backup of Azure file storage. On-premise VMS: Azure backup will help you to take the backup of Azure on-premises VMS while setting up the Azure backup services in on-premises.