Where can I find my .onmicrosoft.com domain name?

This page describes the steps on how you can locate your .omnicrosoft.com domain name in:

• Microsoft 365 admin center
• Azure Active Directory admin center

Microsoft 365 admin center 

To locate your .onmicrosoft.com domain name in the Microsoft 365 admin center:

1. Log on to the Microsoft 365 portal as a Global Administrator.
   
   
2. Open the admin center.
   
   
3. Under Settings, select Domains:
   
   
   
   
4. The Domains page is displayed, listing your .onmicrosoft.com domain name:
   
   

Azure Active Directory admin center

To locate your .onmicrosoft.com domain name in the Azure Active Directory admin center:

1. Log on to the Azure Active Directory admin center.
   
   
2. Under Manage, select Custom domain names:
   
   
   
   A list of all domain names is displayed. 
   
   
3. Locate the domain name ending with .omnicrosoft.com: