What is the domains limitations in O365?

You can add up to 5000 domains to your subscription (including subdomains). You can’t add a domain to Microsoft 365 that you’re already using in another Microsoft cloud service. This restriction also means the same domain cannot be added to multiple subscriptions.

Can you add multiple domains to Office 365?

Yes, Office365 (and any version of Exchange server) can handle multiple domains – multiples of several hundred actually. You’ll need to add the new domain to Office 365, then add the new SMTP addresses to the mailbox and set them as the default.

How do I use my own domain with Office 365?

Add a domain in Office 365

1. Log in to your Office 365 Control Panel.
2. From the left menu, select Office 365 Admin Center.
3. From the left menu, select Settings, and then select Domains.
4. In the Domains section, click Add Domain.
5. Enter the domain name when prompted, and then click Next.
6. Verify that you own the domain.

How many domains can you have in a tenant?

One fairly common mistake that many organizations can make is to think that because they have multiple DNS domains, they need to have multiple Office 365 tenants. This is NOT true and you can have multiple domains in a single tenant (you can have up to 900 domains in a single Office 365 tenant, more details here).

How many domains can be added when configuring o365 tenants?

You can add up to 100 domains. To learn more, see Ranges & Limitations.

Can Office 365 host my DNS?

Office 365 can host DNS for any domain that’s associated with your tenancy.

How many domains can be added when configuring 0365 tenants?

Why do we add custom domain in Office 365?

Your company might need multiple domain names for different purposes. For example, you might want to add a different spelling of your company name because customers are already using it and their communications have failed to reach you. In the Microsoft 365 admin center, choose Setup.

How do I add another domain to Office 365?

What is o365 tenant restrictions?

The concept of Tenant Restrictions provides a mechanism to allow or deny access to Office 365 resources based on organizational requirements. For example, you may wish to allow access to Company Office 365 Outlook mail but deny access to the same resource when using a personal account.

How many domains can I add to my Microsoft 365 subscription?

To learn more, see Add your users and domains to Microsoft. If you use Office 365 operated by 21Vianet, see Verify your domain. You can add up to 900 domains to your subscription (including subdomains). You can’t add a domain to Microsoft 365 that you’re already using in another Microsoft cloud service.

How do I set up my domain records with Microsoft 365?

If your domain registrar uses Domain Connect, Microsoft will set up your records automatically by having you sign in to your registrar and confirm the connection to Microsoft 365. You’ll be returned to the admin center and Microsoft will then automatically verify your domain.

Can I add a third level domain to my Office 365 account?

With Office 365 Enterprise and Microsoft 365 Apps for business, you can add any level domain, including third-level domains such as marketing.contoso.com. See Add custom subdomains or multiple domains to Microsoft.

Can you add a custom domain to Office 365?

Custom domains. You can add up to 900 domains to your Office 365 subscription. However, you can’t add a domain to Office 365 that you’re already using in another Microsoft cloud service. That means that you can’t add the same domain to multiple Office 365 subscriptions.