Product : Microsoft Corp, Azure Stack/1903, IaaS + PaaS
Feature : Backup, Storage, Infrastructure Services
Content Owner:  Bhagyashri (Shri) Bhagvat
Summary
Microsoft Azure Backup Server can be used to back up data within Azure Stack (see details)
Details
Microsoft Azure Backup Server can be used to back up data within Azure Stack

Link to backup

. In addition, data store on Azure Stack is replicated using the locally redundant storage methodology

Link to storage cheat sheet