Sigh, I'm in the same boat. Previously, the supported procedure REQUIRED Godaddy for your registrar. Recently MS announced that they are no longer going to offer new custom domains starting in 2023. Apparently you can set one up prior to the cutoff date and they will let you use the custom domain. Personally, I don't want to use Godaddy and I don't want to be in some kind of unsupported position eventually so my plan is to go with a different host someday. Answer from beerandbikenerd on reddit.com
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Microsoft Learn
learn.microsoft.com › en-us › microsoft-365 › admin › email › change-email-address
Change your email address to use your custom domain - Microsoft 365 admin | Microsoft Learn
Use a domain name you already own whether you're using it for a website address or an email address at another provider. Sign into the website that hosts your domain. Click a button to verify automatically or update the domain manually.
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ThemeIsle
themeisle.com › blog › how to set up a custom email address with microsoft office 365
How to Set Up a Custom Email Address With Microsoft Office 365
February 7, 2024 - Once you have those two things, here’s how to set up your custom email address. First, log in to the Microsoft 365 admin center and follow the setup wizard for Microsoft 365, which is what you need to set up your email.
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Microsoft Learn
learn.microsoft.com › en-us › microsoft-365 › admin › setup › add-domain
Add a domain to Microsoft 365 - Microsoft 365 admin | Microsoft Learn
Under DNS records, select Custom Records; then select Add record. Select the type of DNS record you want to add and type the information for the new record. Select Save. Domain Connect enabled registrars let you add your domain to Microsoft ...
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The SQL Herald
joeydantoni.com › 2025 › 01 › 08 › setting-up-your-own-domain-for-office-365-email
Setting Up Your Own Domain for Office 365 Email – The SQL Herald
January 8, 2025 - You don’t want to use that domain ... domain you purchased above, you need to add to Azure. In the Azure portal, search for “Custom domain names” and click add domain....
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White Peak Digital
whitepeakdigital.com › blog › how-to-setup-a-custom-email-with-microsoft-365
How to Setup a Custom Email with Microsoft 365
May 11, 2025 - This guide walks you through how to set up a custom email with Microsoft 365 step-by-step, from connecting your domain to adding team members.
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Microsoft Support
support.microsoft.com › en-us › office › add-a-custom-domain-name-071780ac-46bb-4758-b30d-39ad0aeccf42
Add a custom domain name - Microsoft Support
"contosoautobody.com" is a nice balance that customers can remember. If the name you've chosen is available, select Use this domain. On the next page, add the contact information for domain ownership. Choose the email address (and username) for your new domain. You'll be signed out of Microsoft 365 so that you can sign in with your new username ([email protected]).
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Any idea why they removed this functionality? This was something offered up until September of 2023, from my understanding, with family plans. Nearly every competitor, including iCloud and Google, offers this functionality as well.

Seems a bit silly to force people into using business plans in order to leverage their domain names. Not to mention, if you use a business plan then you are locked into that plan and cannot use your account for other services like Xbox Live/Game Pass.

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Hi Gaurang,

Thank you for reaching out to this forum. I'm Utkarsh and as a fellow Microsoft user, I'm here and ready to help you today. I am a user like you, this is a user forum and not Microsoft directly.

Do not worry, I will help you sort this issue, rest assured that I will do my best to assist you.

Unfortunately, adding a custom domain to create personalized email addresses is not possible with a Microsoft 365 Family Plan. This feature is only available for business and enterprise plans, like Microsoft 365 Business Basic, Microsoft 365 Business Standard, or Microsoft 365 E3.

Starting November 30, 2023, Microsoft 365 Family subscriptions no longer allow creating new personalized email addresses with your own domain for use with Outlook.com. This functionality was previously available as a benefit, but it is no longer offered.

However, there are alternative options to consider:

Upgrade to Microsoft 365 Business or Microsoft 365 Apps: These subscriptions still allow connecting your own domain and creating email addresses associated with it.

Continue using your current Microsoft 365 Family email address: If you already have a personalized email address created before November 30, 2023, you can continue using it as before.

Here are some options to consider:

  1. Continue using the existing Microsoft domain: Your Family Plan already provides email addresses with the "@outlook.com******************" domain. While not personalized, these email addresses still offer access to all the core features of Outlook.
  2. Upgrade to a business plan: If personalized email with a custom domain is essential for you, consider upgrading to a Microsoft 365 business plan. These plans offer features like custom domains, shared calendars, and additional security features.

I understand this might not be the answer you were hoping for, but I hope it helps clarify the limitations of the Family Plan and provides alternative options to consider.

I pulled the information from https://support.microsoft.com/office/365-75416a58-b225-4c02-8c07-8979403b427b

I hope this information helps! If I can be of help with anything else, please let me know. I will be glad to answer any other questions that you might have.

Give back to the Community. Help the next person who has this issue by indicating if this reply solved your problem. Click Yes or No below.

Warm Regards, Utkarsh

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I had the same problem so I googled and found this in Microsoft's help pages:

You can add multiple custom domains in all Office 365 subscriptions[...]

This help article looks as if it were possible but they only talk about the business versions and Office 365 Home isnt mentioned with a single word - so I continued my research, even contacted Microsoft - they had no idea, but then I finally found this post:

yesterday I called MS Support and the support engineer was discussing in the background with a colleague. Then he said that it's possible to use own domain with O365 Home... I just had to create a new account with my personal email adres/domain... after that I could order O365 and configure it with my own DNS domain name. Then after changing MX records with my hosting provider this would work for me.

anyway... I tried this anyway... I created a new account with my personal domain... then I ordered Office365Home hooked up to my paypal account....but in the end... no options for me to configure this. So I called back.... I got the same engineer... but then he said.. sorry, I don't have enough technical expertise, cause I'm a sales guy.... strange, because I tried to get tech help... The guy gave me a phonenumber to local (Belgium) Microsoft Tech support.... so I called the number. Then I got first or second line tech support on the line, so I expained the situation and the proposed option from his colleague. But I got a negative response.

No, sir, O365 Home does not allow you to use your own domain... why should it, there are not so many families using their own DNS domain, sir...

DUHH !!! What ? I don't understand their response... I times like this... people make their own family website... use a personal domain.... so I believe this is really a stupid reaction from a Microsoft Tech guy. Probably he has his own domain at home ;-) The only option is to choose for O365 Small Business and pay a lot more, because you need to pay for every user... every family member... so that would cost me at least 200€-250€ yearly.... please get serious ! so I give up.... Also Google Apps only has a business solution... also around 200€ yearly. Office365 Home... useless -> go for Office365 SMB... 2expensive ! I'll try again when Microsoft grows up and gets serious.

After all I don't think it is possible, I also found some forum posts and comments in blogs and they all say it isn't possible.

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As of January 2020, this is now possible with a subscription to Microsoft 365 Personal or Family Edition (formerly Office 365), but according to Microsoft you are required to purchase your domains with (or transfer them to) GoDaddy. I have found sources that claim this is possible with other domain registrars, with some users reporting success, but Microsoft maintain that this is only possible via GoDaddy.

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Bbccloud
bbccloud.com › Microsoft-365 › microsoft-365-custom-domain
Get Microsoft 365 Custom Domain - Microsoft Business Email Price
September 25, 2024 - In today's fast-paced digital ... necessity. Imagine sending an email that says, “[email protected]” instead of “[names][email protected].” Which one do you think will leave a lasting impression? That's where Microsoft 365 Custom Domain steps in. With its robust ...
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IT Solver Support
support.itsolver.net › hc › en-au › articles › 12292863558415-How-to-Add-a-Custom-Domain-to-Microsoft-365-and-Configure-Email-Settings
How to Add a Custom Domain to Microsoft 365 and Configure Email Settings – IT Solver Support
Select the user, then click Manage email aliases. Click Add an alias, enter the alias (e.g., [email protected]), select the domain from the dropdown, and click Add. Note: Microsoft 365 supports up to 400 aliases per user at no additional cost.
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Bigrock
bigrock.in › home › products › email › how to set up a custom email address with microsoft office 365
How to Set Up a Custom Email Address with Office 365
October 21, 2024 - Use the setup To create a custom email, you need the Microsoft 365 Business Basic plan or higher. Navigate to the ‘Add Domain’ section, and enter your domain (e.g., XYZ.com).
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Microsoft Learn
learn.microsoft.com › en-us › microsoft-365 › admin › email › select-domain-to-use-for-email-from-microsoft-365-products
Select the domain to use for email from Microsoft 365 products - Microsoft 365 admin | Microsoft Learn
In the Microsoft 365 admin center, in the navigation pane select Settings. Select Org settings. On the Org settings page, select Organization profile. On the Organization profile page, select Send email notifications from your domain.
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CardioLog Analytics
intlock.com › home › can you set up email for multiple domains in office 365?
Can You Set up Email for Multiple Domains in Office 365?
August 21, 2024 - Now that you have your domain name registered, you can set up your custom email address via Microsoft Office 365. You need to have a Business Standard License (or higher) in order to add your custom-branded email.
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WPBeginner
wpbeginner.com › home › beginners guide › how to setup a custom branded email address with outlook (office365)
How to Setup a Custom Branded Email Address with Outlook (Office365)
August 21, 2024 - Next, you will see the ‘Microsoft 365 admin center’ at the top of the page. From here, you can select the ‘Set up email with a custom domain’ option.
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Microsoft Support
support.microsoft.com › en-us › office › get-a-personalized-email-address-in-microsoft-365-75416a58-b225-4c02-8c07-8979403b427b
Get a personalized email address in Microsoft 365
Yes, you'll need to sign in to your Microsoft 365 account as the administrator and remove your domain. For detailed instructions, go to Remove a domain from Microsoft 365.
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Medha Cloud
medhacloud.com › blog › custom-domains-microsoft-365-business-standard
Can I use custom domains with Microsoft 365 Business Standard email? | Medha Cloud Blog
December 16, 2024 - Yes, Microsoft 365 Business Standard allows you to use custom domains with email, enabling businesses to send and receive emails using a professional domain (e.g., [email protected]).
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The information in that post is wrong.

If you have your own domain and an Microsoft 365 personal or family subscription, you can add the domain in Outlook.com's Settings (gear icon) > View all Outlook settings > Premium

https://outlook.live.com/mail/0/options/premium/personalemail 

But you need to do it ASAP - before the end of Nov.

My instructions above are correct for family and personal accounts.

>>

https://support.microsoft.com/office/get-a-personalized-email-address-in-microsoft-365-75416a58-b225-4c02-8c07-8979403b427b 

Also see this artilce for some useful tips, including how to keep your registrar.

https://www.slipstick.com/outlookcom/outlook-com-custom-domains/ 

<<

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Hello! My name is Mostafa, and I will try my best to assist you with this so that you find a satisfactory solution.

Yes, you can use your own domain with Microsoft 365 Family. You can add your domain to Microsoft 365. In the wizard, you’ll confirm that you own the domain and then automatically set up your domain’s records, so email comes to Microsoft 365 and other Microsoft 365 services, like Teams, work with your domain.

You can follow these steps to add your domain to Microsoft 365:

  1. Sign in to the Microsoft admin center at https://admin.microsoft.com.
  2. Go to the Settings > Domains page.
  3. On the Domains page, select a domain.
  4. Under DNS records, select Custom Records; then select Add record.

5 Select the type of DNS record you want to add and type the information for the new record.

  1. Select Save.

Please review the below article.

https://learn.microsoft.com/en-us/microsoft-365...

If the above steps do not help, reach out to me, and I will be happy to help and try my best to resolve your issue. Thank you.

Best,

Mostafa