Remove onmicrosoft domain All, Apr 2, 2024 · When you sign up for Microsoft 365, an onmicrosoft. When you remove a domain, user accounts will revert back to the ". Step one to removing a domain is setting another domain as default. com, you cannot change it to be fabrikam. org and some using the default domain which ends with . com domain (your “fallback domain”). com different then the one created initially. Apr 11, 2025 · Learn how to change your onmicrosoft. . com but can avoid do not use by adding your own custom domain. com and mydomain. Jan 15, 2021 · When I was setting up my business account, I was required to set up an email address that was XXX@[Company Name]. com and . I know for sure that the usernames of these coworkers are all set to use the custom domain (mydomain. The alias is not available in “Attribute Editor” in Active Directory for the user. You will learn the best practices and how to choose a website and email address domain name for your company and its brand Jul 18, 2025 · You are correct that in order to remove your custom domain, you will need to change the user's email address to the onmicrosoft. com domain in Microsoft 365 admin center and set it as your fallback domain to maintain availability. Jun 30, 2024 · Learn how to add a new onmicrosoft. Feb 19, 2023 · But you don't have to use the domain yourself after you've added a custom domain. Jan 22, 2019 · When running Get-MSOLUser cmdlet we will have a list of all users of the subscription, we can check that there are some using the domain that we want to remove @infralab. Sep 3, 2017 · When you first go to create an Office 365 Group, you will notice that the domain address of the newly created group mailbox has defaulted to the onmicrosoft. After we have added a new fallback domain, we can set that one as the primary address. com' domains I added to my Azure AD for testing Steps taken so far: Removed all dependancies on domain in Azure AD Attempted to remove domain under 'Custom domain names' section of the Azure AD on… Aug 17, 2025 · About Fallback domain in Microsoft 365 When you add a custom domain (e. Apr 11, 2023 · you can't remove the onmicrosoft. When I did this a few months ago, I was able to 1) Apr 26, 2017 · When we initially trailled Office 365 before purchasing, we used the mydomain. com domain as primary and you can't edit that in O365, nor can you change it in Active Directory on-premise because it isn't listed… May 10, 2023 · From there, you can manually create a script to remove the attributes using the below script as an example: Set-Mailbox username@tenantid. To add a new onmicrosoft. com domain and make it your new fallback domain. com domain in the cloud, because the user is synced with the local Active Directory. I can’t edit it in the O365 or exchange consoles because it says its managed in my AD, but nowhere in my AD do I have the onmicrosoft. This domain can't be deleted. For technical support and break/fix questions, please visit Microsoft Support Community. com domain, you can create a new one and make it your default onmicrosoft. Now i can see we have the option to use a new one as a fallback domain, however we won;t be able to remove and delete the initial… Jul 11, 2025 · I understand your current issue is how to remove a domain from Microsoft 365. com How can I remove the onmicrosoft part and keep my proper business email address? Nov 4, 2021 · Again there are scripts on the internet that allow you automated removal. Mar 27, 2025 · Learn how to create a new onmicrosoft. com as when i create a user i have the user@mydomain. For more info about how to remove a domain in the Microsoft 365 admin center, go to Remove a domain. Before we can set up your email accounts with GoDaddy, you need to remove your existing domain from your previous Microsoft 365 account at Microsoft. Is there a way to remove this alias? Hi team, Previously we haven't the flexibility to add a new . Now i can see we have the option to use a new one as a fallback domain, however we won;t be able to remove and delete the initial… Nov 19, 2024 · Ensure that no users, groups, or applications are using this domain; you may need to change them to the default onmicrosoft. com and user@mydomain. com, you can’t change it to be fabrikam. You can't rename your team site URL. Aug 3, 2017 · Hi, you can now change your Office 365 domain name with the custom domain name using Microsoft PowerShell. com domain first by making this a primary domain. com domain is automatically assigned to your account. Steps to follow:- firstly, change all users to default onmicrosoft domain, change shared mailboxes, etc) then remove domain from the tenant. Jul 21, 2024 · Microsoft 365 Welcome to the Microsoft 365 discussion space! This is the place to discuss best practices, latest trends and news for topics related to Microsoft 365. com domains once added, but you can add up to five domains in your tenant. Jul 3, 2023 · When you remove a domain, user accounts are reset to ". com address from a user account. com domain to your other tenant. com? Apr 8, 2023 · You can't remove the ". Now i can see we have the option to use a new one as a fallback domain, however we won;t be able to remove and delete the initial… Aug 10, 2016 · Remove Office 365 Domain with ForceAfter working with Office 365 for almost 3 years I have finally decided to get (and pay for) my own tenancy. The users, groups and apps currently depend on the domain you want to remove will be moved to the default domain that you’ve set in previous step. com domain name in Office 365 tenant. You can't remove it. Permissions Permission type Permissions (from least to most privileged) Delegated (work or school account) Domain. Learn more about domains (onmicrosoft domain and transfer domain) by finding answers to your questions in FAQ. com You will need to delete the tenant that has the onmicrosoft. what is the Dec 15, 2024 · Since you want to remove a non-existing domain from Microsoft Entra, it may be necessary to delete the connector. com domain, then remove the custom domain afterwards. Nov 4, 2021 · Again there are scripts on the internet that allow you automated removal. Jul 1, 2025 · Learn how to remove an old domain from Microsoft 365 and move users and groups to another domain or cancel your subscription. I am sick of rebuilding O365 tenancies for demo's and testing every time the 30 day trial runs out. When I will remove my custom domain. com domain you want to move, it isn't possible to remove onmicrosoft. The . Oct 28, 2023 · The Remove-MsolDomain cmdlet in PowerShell deleted a domain from Microsoft Office 365. onmicrosoft: This is a system domain from Microsoft that was created automatically during setup. com domain is still used in the background and acts as a fallback domain. How do I get rid of this? REMOVE PII@REMOVE PII. To use a different onmicrosoft. com are listed. com domain from your account - this is the default account created for your tenant and is used in the background by Microsoft to identify your domain to their services. cloud” associated with my Office 365 tenant but still have my “onmicrosoft. com. com domain, you'd have to start a new subscription with Office 365. Under Office 365 settings - domains -both mydomain. com) managed by GoDaddy. Apr 6, 2020 · For example, if the initial domain you chose was fourthcoffee. , techpress. com domain for your Office 365 tenant, instead of any bespoke domain you may have setup on your tenant: How to Remove a Domain From Microsoft 3654. The domain being deleted must be empty. Remove the SMTP address and resync. The Microsoft Online routing domain is the domain that's issued to you by Microsoft 365 (for example, contoso. Add your own domains and configure them, but leave this one as is and forget about it. com), you’ll need to add and verify your own domain in the Microsoft 365 admin For example, if the initial domain you chose was fourthcoffee. I noticed that you posted threads in Microsoft 365 and Office / Subscription, account, billing / For home / Other, and with your description, I would like to further understand your situation with the following information and provide follow up support: Feb 8, 2023 · Hi team, Previously we haven't the flexibility to add a new . Feb 8, 2023 · Hi team, Previously we haven't the flexibility to add a new . com domain is needed to be there for your O365 infrastructure to function within Microsoft's systems. mail. com” domain as the default. Apr 3, 2022 · I am trying to remove a few extra '. com" address as the Primary SMTP/UserprincipalName. Now, let us make the onmicrosoft. net) in Microsoft 365, onmicrosoft. Select the domain ending with . onmicrosoft. com domainname as fallback address. com" domain from your account. Why does the @domain. Is there any way to remove this? I'd like the email address to simply read… Feb 26, 2024 · The original service domain added when creating the tenant counts as one and is the fallback domain, or the default routing domain for the tenant. Your team site URL is based on your onmicrosoft. When I created my email address, the . There is no option to remove the domain in the 365 admin… Remove my email's domain from Microsoft This article applies to you if you’re moving from a third-party email provider to Microsoft 365 from GoDaddy and have a domain with Microsoft. com, you can't change it to be fabrikam. Then in the admin center, go to the Settings > Domains page, select the domain that you want to remove. com domain, you’d have to start a new subscription with Office 365. com domain name. com domain, go to the Domains section under Settings in the Microsoft 365 admin center. Removing . Aug 15, 2023 · I need to remove a custom . In the left panel, select Custom domain names. (not the primary domain) I know you cant remove it from the domains but if you remove it from the user account (which you can) what are the implications ? Aug 20, 2024 · Error: NotAcceptedDomainException: You can't use the domain company. With my new "legit" tenancy I can permanently have ADFS etc configured for my lab domain. com email addresses and since then moved to user@mydomain. Oct 1, 2025 · For example, if the initial domain you chose was fourthcoffee. You shall follow the instructions given below and efficiently rename the onmicrosoft. com) as the primary address. com was added at the end. com domain, you would have to start a new subscription with Office 365. Therefore, the Remove link is unavailable. You are limited to five onmicrosoft. com address shows up (suggested). May 1, 2023 · While you can’t rename or remove an existing onmicrosoft. Choose the custom domain you want to remove. Will removing a domain delete data (emails) in this process or… In the Add onmicrosoft domain page, in the Domain name box, type the name for your new onmicrosoft. at" has already been added to another Office 365 mandate (Netorgft123456. This domain acts as a fallback, ensuring that even if you don’t have a custom domain or choose not to link one, your Microsoft 365 services like email and Teams continue to function smoothly. To add this domain to this tenant, you must contact GoDaddy support and have the Feb 8, 2023 · Hi team, Previously we haven't the flexibility to add a new . com"} You’ll now also need to remove references from group objects in the tenant. Can we do it on portal? Can you help to send that script? > 3. com domain to the org’s AAD tenant. Log into Microsoft 365 and follow the instructions in this Microsoft help article to delete the released alias. Oct 26, 2024 · The following actions are performed as part of this operation: Updates the userPrincipalName, mail, and proxyAddresses properties of users with references to the deleted domain to use the initial onmicrosoft. Now i can see we have the option to use a new one as a fallback domain, however we won;t be able to remove and delete the initial… Sep 3, 2017 · When you first go to create an Office 365 Group, you will notice that the domain address of the newly created group mailbox has defaulted to the onmicrosoft. The Domain Manager in Microsoft 365 will help admins remove any dependencies that block domain removal without having to use Windows PowerShell. Mar 11, 2018 · In my case I’ve got a custom domain, “potatoe. It can take as little as five minutes for Microsoft 365 to remove a domain if it is not referenced in many places such as security groups, distribution lists, users, aliases, shared mailboxes, resource mailboxes and Microsoft 365 Apr 3, 2023 · New to using the AD Connector to sync on-premise server. If you choose to create a new onmicrosoft. com but you want to rename your tenant’s initial domain. com domain, it cannot be removed. You cannot remove onmicrosoft. Can i remove the onmicrosoft. com because it's not an accepted domain for your organization. Nov 13, 2017 · The sync added additional listings for each of my users reflecting their AD group memberships and changing their email to @domain. All, Delegated (personal Microsoft account) Not supported Application Domain. Sep 29, 2023 · Step-by-step guide to remove a domain from Microsoft 365, including steps for users, groups, and domain, Use Office 365 Migration tool to escape limitations. com instead of the default xyz. When you first set up Microsoft 365, it gives you an email address with the . One user synced with . Updates the mail property of groups with references to the deleted domain to use the initial onmicrosoft. com the default domain. Should be a simple fix. For help & learning (how-to articles, videos, training), please visit Microsoft Support. Oct 6, 2025 · To change the fallback domain in Microsoft 365, we first need to add a new . Aug 14, 2025 · Prepare Domain for Removal in Microsoft 365 Change all accounts to the . After the tenant is deleted, you should be able to add the onmicrosoft. You can't remove the ". com domain from my tenant. com? Apr 13, 2022 · I cannot edit or remove an alias with onmicrosoft. com aliases from all groups, users and contacts in your Active Directory Jul 23, 2025 · I already linked my business account to my domain @REMOVE PII, but it still attaches this to the end. g. com address Remove the custom domain from all services and groups Remove Domain from Microsoft 365 Tenant Use the Admin Center to detach the domain once it’s no longer in use Update DNS to Point Back to Combell / or wherever you want Remove Microsoft 365 DNS Dec 10, 2022 · Hello, I recently started a Microsoft 365 Business Standard account for my small business. You have created a Microsoft 365 tenant with initial domain name office365cpt1. com" address as primary SMTP/UserprincipalName. This domain is not the default domain or the primary domain, and is not the domain that was created by for the tenant at creation. com still show up? And how can make it go away? In this video, I explained the domain components for non-technical users. Dec 16, 2018 · How do I transfer my domain from my old Office 365 account hosted by GoDaddy to a new Office 365 hosted by Microsoft? Everytime I try to setup the new Office 365 I get following errormessage: "domain. Removing the SMTP address from EAC I'm able to click the minus to delete and the domain, click save and the page closes. com domain. com domains in your Microsoft 365 environment, so make sure to check for spelling and to assess your need if you choose to create a new one. In this article you will learn how to change onmicrosoft. After removal my accounts will stay there with onmicrosoft. com option. Click Automatically remove button to remove the domain. Now i can see we have the option to use a new one as a fallback domain, however we won;t be able to remove and delete the initial… Sep 8, 2016 · Does anyone know what are the consequences of removing the onmicrosoft. [!NOTE] Make sure to verify the spelling and accuracy of the domain name you entered. Hi team, Previously we haven't the flexibility to add a new . ReadWrite. com). CAUSE This issue occurs if the domain is the Microsoft Online routing domain. To use a custom domain (like yourbusiness. Remove Existing Office Product key in Office 2019 | Uninstall Microsoft Office Product Key Find Product Key Last Five Digit For Microsoft Office 365 and 2021 By CMD | MS Office Key Find Delete a domain from a tenant. When writing a new message, whiele typing other coworkers names, the xxx@domain. com domain for your Office 365 tenant, instead of any bespoke domain you may have setup on your tenant: May 11, 2022 · SPO domain rename involves adding at least one new onmicrosoft. Jul 4, 2023 · Hi Team, Removing domain from tenant m365. Sep 26, 2024 · Good Morning, Typically you can't delete the onmicrosoft. A connector is a link between your identity management system and an external system, such as Microsoft Entra id. com domain to your Entra ID tenant and make it the default domain for your Azure subscription. com domains from a tenant without deleting the entire tenant. com -EmailAddresses @{remove="username@domain-being-removed.