Here's what happens when you pick the wrong Office 365 tenant name
How to get your Office 365 Tenant Name and Tenant ID - Tom Talks
Determine the name of your Exchange organization/Office 365 tenant
Find Your Tenant Name or Tenant ID
How to get your Office 365 Tenant Name and Tenant ID - Tom Talks
How Do I Find My Azure AD Tenant Name? – Kaseya
Dynamics 365 Business Central: How to get the Azure Active Directory tenant domain name and ID via AL (codeunit 433 “Azure AD Tenant”) | Dynamics 365 Lab
How to find your tenant ID - Azure Active Directory - Microsoft Entra | Microsoft Learn
Blazor UI: Login with tenant should show the tenant name · Issue #5823 · abpframework/abp · GitHub
How to get directory tenant name in Azure ARM template? - Stack Overflow
What's in a (tenant) name? | The Cloud Mouth, Loryan Strant, Office 365 MVP
SharePoint Online – You can now rename your tenant (preview)
How to check Office 365 Tenant name availability – Office365Update – Marcel Croonen's Blog