How to buy a domain and create a business email using Microsoft 365
Apr 14, 2026 · Learn how to purchase a domain and set up a business email address using the Microsoft 365 Business Premium benefit from your Microsoft for Startups Investor Offer. Find …
Add or replace a onmicrosoft.com fallback domain in Microsoft 365
Oct 15, 2025 · 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.
Domains Frequently Asked Questions | Microsoft Learn
May 6, 2026 · Learn more about domains (onmicrosoft domain and transfer domain) by finding answers to your questions in FAQ.
Buy a Domain Name in Microsoft 365 - Microsoft 365 admin
May 8, 2026 · Buy a domain name in Microsoft 365 admin center with our step-by-step guide. Explore available top-level domains and start building your brand today.
Add a Custom Domain to Microsoft 365 - Microsoft 365 admin
May 8, 2026 · Learn how to add a custom domain to Microsoft 365 and configure DNS records using Domain Connect or manual setup. Personalize your organization's email today.
Connect your domain by adding DNS records - Microsoft 365 admin
Apr 23, 2026 · Learn how to connect your custom domain to Microsoft 365 by verifying domain ownership and adding DNS records at your registrar. Set up email and other services today.
Add your custom domain - Microsoft Entra | Microsoft Learn
Dec 4, 2025 · Instructions about how to add your custom domain name to your tenant.
Connect your domain to Office 365 - Microsoft Support
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 …
Unified cloud.microsoft domain for Microsoft 365 apps
Apr 10, 2025 · This domain allows for extra security, privacy, and protection against spoofing when you interact with apps within that domain. You can trust that any website or app that ends with …
Investigate an Active Directory domain (Preview)
Apr 14, 2026 · Learn how to investigate an Active Directory domain in Microsoft Defender. Review domain health scores, security policies, trust relationships, and recommendations.
Active Directory Domain Services overview | Microsoft Learn
Mar 11, 2025 · Find out about Active Directory Domain Services, a directory service that makes network resource data available to authorized network users and administrators.