To use this Apache Druid extension, [include](../../configuration/extensions.md#loading-extensions) `druid-azure-extensions` in the extensions load list.
[Microsoft Azure Storage](http://azure.microsoft.com/en-us/services/storage/) is another option for deep storage. This requires some additional Druid configuration.
|`druid.azure.key`||Azure Storage account key.|Optional. Set one of key, sharedAccessStorageToken or useAzureCredentialsChain.|
|`druid.azure.sharedAccessStorageToken`||Azure Shared Storage access token|Optional. Set one of key, sharedAccessStorageToken or useAzureCredentialsChain..|
|`druid.azure.useAzureCredentialsChain`|Use [DefaultAzureCredential](https://learn.microsoft.com/en-us/java/api/overview/azure/identity-readme?view=azure-java-stable) for authentication|Optional. Set one of key, sharedAccessStorageToken or useAzureCredentialsChain.|False|
|`druid.azure.managedIdentityClientId`|If you want to use managed identity authentication in the `DefaultAzureCredential`, `useAzureCredentialsChain` must be true.||Optional.|
|`druid.azure.storageAccountEndpointSuffix`| The endpoint suffix to use. Use this config instead of `druid.azure.endpointSuffix`. Override the default value to connect to [Azure Government](https://learn.microsoft.com/en-us/azure/azure-government/documentation-government-get-started-connect-to-storage#getting-started-with-storage-api). This config supports storage accounts enabled for [AzureDNSZone](https://learn.microsoft.com/en-us/azure/dns/dns-getstarted-portal). Note: do not include the storage account name prefix in this config value. | Examples: `ABCD1234.blob.storage.azure.net`, `blob.core.usgovcloudapi.net`| `blob.core.windows.net`|