In PowerShell:
$StgAcc = "<StorageAccount>" $StgKey = "<StorageKey>" $Container = "<Container>" $ctx = New-AzureStorageContext -StorageAccountName $StgAcc -StorageAccountKey $StgKey #Get all the blobs in container $blob = Get-AzureStorageBlob -Container $Container -Context $ctx #Set tier of all the blobs to Archive $blob.icloudblob.setstandardblobtier("Archive")