Merge pull request #127803 from dcurwin/patch-63

backup costs update

Author: PRMerger15

articles/backup/azure-file-share-backup-overview.md

@@ -45,7 +45,13 @@ Azure file share backup is a native, cloud based backup solution that protects y
 
 ## Backup costs
 
-Currently you'll be charged only for snapshots, since Azure file share backup is a snapshot-based solution. Storage charges incurred for snapshots are billed along with Azure Files Usage according to the pricing details mentioned [here](https://azure.microsoft.com/pricing/details/storage/files/).
+There are two costs associated with Azure file share backup solution:
+
+1. **Snapshot storage cost**: Storage charges incurred for snapshots are billed along with Azure Files usage according to the pricing details mentioned [here](https://azure.microsoft.com/pricing/details/storage/files/) 
+
+2. **Protected Instance fee** :Starting September 1, 2020, customers will be charged a protected instance fee according to the pricing details mentioned [here](https://azure.microsoft.com/en-in/pricing/details/backup/) .The protected instance fee depends on the total size of protected file shares in a storage account.
+
+To get detailed estimates for backing up Azure file shares, you can download the detailed [Azure Backup pricing estimator](https://aka.ms/AzureBackupCostEstimates).  
 
 ## Next steps