Remove Domain Name from Office 365

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The process of removing a domain name from Office 365 is different from adding a domain name. In this post, I will show steps to remove domain name from Office 365.

Remove Domain Name from Office 365

Office 365 account is configured with domain name mustbegeek.com. To remove the domain name from Office 365, it should not be used by any users. To see if any user is using the domain name, type following cmdlet in Windows Azure Active Directory Module for Windows PowerShell. You can install Azure PowerShell module in your PC and connect to Office 365. To connect to Office 365, you can use, Connect-MsolService cmdlet in Azure PowerShell.

PS C:\> Get-MsolUser -DomainName mustbegeek.com

UserPrincipalName          DisplayName                isLicensed
-----------------          -----------                ----------
bgiri@mustbegeek.com       Bipin Giri                 True

As you can see above user bgiri is using mustbegeek.com domain name. To be able to remove the domain name the output of above cmdlet must be empty for that domain name. Log on to Office 365. Go to Users > Active Users on the left pane. Double-click user bgiri from the users list. If you want to change domain name for multiple users then select more than one user in the users list can click Edit. In the properties page, you can change the domain name for multiple users at once.

Remove Domain Name from Office 365

User properties will open as shown above. Under user name, choose mustbegeek1.onmicrosoft.com domain name. This will un-assign mustbegeek.com domain name from the user properties. Click Save.

remove domain from office 365

A confirmation page will open as shown below.

confirm remove

Click Yes to remove the domain name. In this way you can remove domain name from Office 365.

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Bipin is a freelance Network and System Engineer with expertise on Cisco, Juniper, Microsoft, VMware, and other technologies. You can hire him on UpWork . Follow Bipin Giri on Google+. Bipin enjoys writing articles and tutorials related to Network technologies. Some of his certifications are, MCSE:Messaging, JNCIP-SEC, JNCIS-ENT, and others.