Final answer:
Yes, every Azure subscription can indeed be managed using a Microsoft account. This enables subscription owners or admins to control resources and services in Azure.
Step-by-step explanation:
The question asks whether each Azure subscription can be managed by using a Microsoft account. The answer is true. Each Azure subscription requires an associated Microsoft account for management and authentication purposes. This allows the subscription owner or designated administrators to manage services, resources, and billing for the subscription within the Azure portal or through Azure management tools.