Final answer:
To find the Azure subscription's tenant ID, log into the Azure portal, navigate to Azure Active Directory, and locate the Directory ID listed under tenant.
Step-by-step explanation:
To find your Azure subscription's tenant ID, you can follow these steps: Firstly, Login to the Azure portal. Then, From the Azure portal sidebar, click on Azure Active Directory or search for it in the search bar. Once in the Azure Active Directory overview page, look for the tenant information. Your tenant ID is listed as the Directory ID under Manage section.
Now, Alternatively, you can also find your tenant ID by navigating to the 'Properties' page of Azure Active Directory. Your tenant ID can be copied from the Directory ID field. If you need to use this tenant ID for configuring applications or services within Azure, ensure to keep it secure as it is an important identifier for your Azure environment.