In this post, I show you how to find your Microsoft tenant ID using the 365 Admin Center and also using PowerShell.
Finding your Microsoft Tenant ID is important because it’s necessary for managing and configuring Microsoft services like Office 365. It helps with integration, security setup, API access, and troubleshooting, ensuring everything is linked to the correct organization.
Find Microsoft Tenant ID using Admin Center
Step 1: Log into Microsoft 365 Admin Center
Step 2: On the left-hand side under Admin Centers select “Identity”

Step 3: Your tenant ID will appear on the Overview page

Find Tenant ID using PowerShell
Step 1: Open PowerShell and install the Microsoft Graph Module
Install-Module -Name Microsoft.Graph -Scope CurrentUser
Step 2: Sign in to Microsoft Graph
Connect-MgGraph
Step 3: Retrieve Tenant ID
Get-MgOrganization

Conclusion
Finding your Microsoft Tenant ID is very easy to do both on PowerShell and the Microsoft Admin Center. It is important to know how to do because it’s needed to manage Microsoft services like Office 365. It helps with setting up security, connecting apps, accessing APIs, and fixing issues, making sure everything is tied to the right organization.