Final answer:
The correct service used to move data to the cloud in Azure is Data Migration Service (DMS), which is designed for efficient database transfers.
Step-by-step explanation:
The Azure service that is used to move data to the cloud is known as Data Migration Service (DMS).
This service is specifically designed to streamline the process of moving databases, such as SQL Server, MySQL, and PostgreSQL, from on-premises data centers or other cloud providers to Azure. Azure also offers other services like storage accounts and Data Box for offline data transfer, which complements the online migration capabilities of DMS for various scenarios.