Hi @Manasa L ,
For example: you can change your SharePoint URLs from contoso.sharepoint.com
to fabrikam.sharepoint.com
. That is to say, you can change your SharePoint URLs from https://Atlas.Sharepoint.com to https://Atlas.isg -one.SharePoint.com . To https://Atlas.isg-one.com is not possible.
For more information, Please refer to: https://video2.skills-academy.com/en-us/sharepoint/change-your-sharepoint-domain-name
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