Storage in Microsoft Azure has many advantages. Capacity is almost unlimited, so there is no need for so-called forklift upgrades when using on-site storage. Provisioning of new storage capacity is done with few mouse clicks. You won't be able to do that when extending on-premises storage, as this involves placing cabinets in racks, supplying power, networking, and IO.
Microsoft Azure provides two options to use storage as a backup target:
Using regular Azure Storage
Using Azure Backup
Azure Storage is the regular blob storage that is used by many applications, virtual machine hard disks, and so on.
Azure Backup is especially targeted for storage of backup data. Microsoft charges the two quite differently. Azure Backup is almost eight times more expensive than Azure Storage. For Azure Backup, Microsoft does not charge for bandwidth, transactions, or computation. Data stored in Azure Backup is compressed.
Azure Storage can be used by many backup applications...