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Dear JDGIDA,
Thank you for reaching out and providing the details.
According to the Microsoft official article YES you can bulk rename your domain to a new company name.
Please follow the instructions in the below article.
Click here to access the article ----->>>>> Change your SharePoint domain name
- REQUIRED - Download the latest SharePoint Online Management Shell. If you installed a previous version of the SharePoint Online Management Shell, go to Add or remove programs and uninstall "SharePoint Online Management Shell". Make sure you review the System Requirements and Install Instructions. The app isn't supported on Mac.
- Connect to SharePoint as at least a SharePoint Administrator in Microsoft 365. To learn how, see Getting started with SharePoint Online Management Shell. Example: Connect-SPOService -Url "https://contoso-admin.sharepoint.com"
- Run the following command to specify the new domain name: Start-SPOTenantRename -DomainName <DomainName> -ScheduledDateTime YYYY-MM-DDTHH:MM:SS [-WhatIf] [-Confirm]
- Where "DomainName" is the part before "sharepoint.com" or "onmicrosoft.com" and "ScheduledDateTime" is at least 24 hours in the future, but not more than 30 days. The time you enter is based on the current date and time of the computer you're using. Example: Start-SPOTenantRename -DomainName "fabrikam" -ScheduledDateTime "2021-12-31T10:25:00"
If the PowerShell command Start-SPOTenantRename is not found or nothing is returned, make sure you installed the latest SharePoint Online Management Shell. Before installing the latest version, you might need to uninstall all previous versions by running Uninstall-Module Microsoft.Online.SharePoint.PowerShell -Force -AllVersions. For more info about the Start-SPOTenantRename cmdlet, see Start-SPOTenantRename
Thank you for your time and patience, we hope you have a great day!
Sincerely
Community Moderator | Sophia