Explanation You can provide authorization credentials by using Azure Active Directory (AD), or by using a Shared Access Signature (SAS) token. Box 1: Both Azure Active Directory (AD) and Shared Access Signature (SAS) token are supported for Blob storage. Box 2: Only Shared Access Signature (SAS) token is supported for File storage. Reference: https://docs.microsoft.com/en-us/azure/storage/common/storage-use-azcopy-v10