How to Find the Microsoft 365 Tenant Name?

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Many users ask, “Where can I find Office 365 tenant name?” The quickest way is to sign in to the Microsoft 365 Admin Center with the correct admin credentials and then go to Settings > Domains. Find your default domain name that you used to create the Office 365 tenant.

Knowing the tenant name of your Office 365 account is important when setting up new applications, configuring APIs, or while migrating data from one tenant to another. But finding it is not always such an easy task, many IT administrators struggle with it. This detailed guide will talk about all the tips and tricks to find Microsoft 365 tenant name and the best practices to manage your Office 365 tenant.

What is Office 365 Tenant Name?

Office 365 tenant name is the identity of a user that can only be entered once during the initial setup, as it will not change later. The main components of an Office 365 Tenant name consist of the main Tenant name, Tenant ID (GUID), and your organization’s custom domain name. A typical tenant name looks like this: Yourcompany.onmicrosoft.com

You must choose the name for your domain after proper planning and strategising, as you cannot modify it later. Creating a new tenant account and performing migration of mailboxes and other data is hectic as you may need to migrate from all Office 365 components like SharePoint, OneDrive, etc.

Office 365 Tenant Name vs Tenant ID vs Domain Name: What’s the Difference?

It’s eaiser to get confused between these three terms, however they mean completely different things. Each term represents a different part of Azure’s identity and can’t be used interchangeably.

Tenant Name– This is the default domain name that’s given to you when your Microsoft 365 tenant is first created. It’s mainly used for internally for authentication and other purposes.
Tenant ID (GUID)– It is a 32-character alpha-numerical Global Unique ID (GUID) that’s assigned to your tenant in the Azure Active Directory when it’s created. It’s primarily required for PowerShell scripts and while working with Microsoft Graph API.
Domain name– This is a customizable brand name that represents your organization. You’ll have to set it manually in Microsoft 365. It’s used for custom email addresses, sign-in customization, Teams branding, etc.

Quick Steps to Find Office 365 Tenant Name using Azure Portal

Use the given steps to find Office 365 Tenant name with the help of Azure Portal.

Sign into Azure Portal with admin credentials.
Go to Azure Active Directory and click on Overview.
Look for Primary Domain and note down your Tenant Name.

If you need to know the tenant name of your Office 365 organization, then you can get it quite easily by adopting certain manual tricks like the ones we’ve shared below.

How to Find Microsoft Tenant Name?

You can perform any of the below-given methods to get the tenant name of the Office 365 organization.

Method 1. Using OneDrive or SharePoint Application URLs

The Office 365 tenant name is available on the home URLs of OneDrive or SharePoint.

First, login to your Office 365 account. Click on OneDrive application to open it.
Once OneDrive application opens, check the URL at the top. The highlighted part of the URL is your Office 365 tenant name.
Similarly, the URL will show the tenant name when you access the SharePoint application on your Office 365 account.

Method 2. Find Tenant Name via Office 365 Admin Center

Users can easily find their tenant name in the Office 365 Admin Center.

Log in to your Office 365 account with admin credentials.
Click on Admin to open the Office 365 Admin Center.
Go to the Settings section, select the Domains option.
Next, on the Domains page, find the tenant name (highlighted one) shown as the domain name.

Final Words

Finding your Office 365 tenant name isn’t as hard as it seems if you just know where to find it. It can be easily located with the help of methods like Office 365 Admin Center or Azure Portal. Make sure to note down your tenant name somewhere accessible to use it later whenever need it. However, if you ever find a need to migrate data between Office 365 tenants during mergers or consolidations, using a reliable tool like Kernel Office 365 Migration tool is the best choice for you.

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