Tenant Update name or SharePoint URL?

It has recently become possible to change the SharePoint-domain name for your organisation in Microsoft 365. For example, if the name of your organisation changes from 'Contoso' to 'Fabrikam', you can change contoso.sharepoint.com to fabrikam.sharepoint.com.

Create a new tenant

A Office 365 tenant, or Microsoft 365 tenant or Azure tenant is the same regardless of which service you are using. When your organisation uses Microsoft's services, Microsoft creates a tenant where only you get access rights. This is an isolated environment completely separate from the other Office 365 customers.

You can add your mail e-domain to your tenant. This can only be done on one tenant. So if you want to experiment, Better not with your organisation domain.

Your tenant has a unique tenant name, organization.onmicrosoft.com. You can never change this name after you have created your tenant. However, it is now possible to change the most visible name for end users with these instructions.

You can create a new tenant via these instructions.

Add a new SharePoint tenant name

• Browseto the Azure Portal and add a new domain name Custom domain names page in the Azure AD admin centre
• Select Add custom domain.
• Enter the desired new name.

• After a successful adaptation, you will see this message.

Activate the tenant name in SharePoint Online PowerShell

Via this command in PowerShell you can define a new SharePoint Tenant name.

Powershell Connecting can be done via these instructions.

Get-Module -Name Microsoft.Online.SharePoint.PowerShell -ListAvailable | Select Name,Version

Install-Module -Name Microsoft.Online.SharePoint.PowerShell

Connect-SPOService -Url https://contoso-admin.sharepoint.com

Update tenant name in PowerShell

Start-SPOTenantRename -DomainName <DomainName> -ScheduleDateTime <YYYY-MM-DDTHH:MM:SSZ> [-WhatIf] [-Confirm]  

Source: Rename your SharePoint domain - SharePoint in Microsoft 365 | Microsoft Docs

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Rename your SharePoint domain - SharePoint in Microsoft 365 | Microsoft Docs
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Delete guest user in SharePoint Online
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