Learn how to add a new onmicrosoft.com domain and set it as your fallback domain in Microsoft 365. Follow step-by-step instructions to get started.
Add or replace a onmicrosoft.com fallback domain - Microsoft 365 admin ...
Learn more about domains (onmicrosoft domain and transfer domain) by finding answers to your questions in FAQ.
The Active Directory domain page is a security dashboard in Microsoft Defender that shows domain health, sensor coverage, security policies, trust relationships, and recommendations for your on-premises Active Directory environment. Use it to check whether a domain is healthy and secure, review deployment status, and act on recommendations.
Find out about Active Directory Domain Services, a directory service that makes network resource data available to authorized network users and administrators.
In Microsoft 365 for Business, you can add a company domain name you own so that your users can have email addresses branded with your company name. For example, if your company name is Fourth Coffee, owning the fourthcoffee.com domain and having your company name in your users' emails – such as alex@fourthcoffee.com – helps you brand your business and build trust with your customers. You ...
Learn how to add a client computer or server device to a domain in Windows Server.
Return to Microsoft 365 and choose Verify. If all of your records are entered correctly, you will reach the end of the setup wizard, where you can leave a rating, enter your feedback, and return to the admin center. Now your email and services are set up with your domain, and you're ready to use Microsoft 365.