Find domains content for Office 365 Small Business

If you’re just getting started using your custom domain with Office 365, or you want to make some changes, check out the links below.

Be aware that the Office 365 Small Business plan is no longer available for purchase. Using a different Office 365 plan? Find domains content for other Office 365 plans.

Get started

Want to use a custom email address or website URL in Office 365? Add your custom domain and get started!

Basics about domains and DNS

Add your domain

How to get a custom domain

Set up and manage domains

Work with domain names in Office 365

About your initial domain

Use your domain with your public website

Set up your Office 365 public website to use a custom URL like

Use a custom URL for your Office 365 public website

Work with your Office 365 public websites

Keep your website with your current provider


Track down problems with adding or using your domain.

Troubleshoot verifying your domain

Troubleshoot email issues

Troubleshoot website issues

Troubleshoot Lync Online issues

Remove a domain

Learn more about DNS records

Why we confirm that you own your domain

Manage your own DNS records

How Office 365 manages DNS records

What if people don’t type www?

Find your domain registrar or DNS hosting provider

Why does Office 365 need a CNAME record?

What if SRV, CNAME, or TXT aren’t supported?

Applies To: Office 365 Admin, Office 365 Small Business Admin

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