Rename O365 Tenant Step by Step Easily

Published By Mohit Jha

Approved By Nimisha Ramesh

Published On April 1st, 2026

Reading Time 5 Minutes Reading

After a corporate rebranding decision is made, updating the internal infrastructure that the company uses is important. This is because it directly ties the identity of the company together. So if your organization subscribes to Microsoft 365 cloud, it’s your responsibility as the admin to rename O365 tenant in a safe and timely manner.

The problem is that changing the Microsoft 365 Tenant name is not a regular part of an admin’s job, so they don’t know the exact procedure for it. That’s where this write-up comes in; here I have assembled the complete guide.

Table of Contents Hide

Why Do People Want to Rename O365 Tenant At All?

The reason to alter the current Tenant name emerges from business decisions. The most common one is rebranding, when an organization decides to rename itself to better reflect its values, the internal Tenant naming must also reflect it.

Apart from rebranding, M&A can also trigger a name change. It’s possible that after a deal, the new entity wants to call itself something different, something new, so it becomes the admin’s responsibility to make it happen.

There are other reasons, like court orders or trademark infringement, but overall, the process does not care about the reason. You want to learn how to change the name, and I will teach you. There are two practical ways to attempt it. Let’s see them one by one starting with the GUI option.

Check Out: How to remove a domain from Office 365 tenant

Change Office 365 Tenant Name Inside Admin Center

Note: To attempt this procedure, you must complete these Prerequisites

Have the Global Administrator scope.
In some niche cases, the Billing account owner may also suffice.

Then follow these steps:

Step 1. Sign in to Microsoft 365 admin center → Settings → Org settings → Organization profile → Organization information.
Step 2. Edit the Name field and save.

If you are only here to alter the billing account name, do this instead: In the M365 admin center, go to Billing → Billing accounts → Edit.
If the confusing GUI of the admin center frustrates you and you are more comfortable with the terminal, I have another option for you.

Rename O365 Tenant via PowerShell

For most situations, this is the real “Tenant renaming” that you need. Make sure that you have already added the new .onmicrosoft.com domain; only then launch an admin instance of PowerShell.

There are two variants:

Standard (≤ 10,000 total SharePoint sites + OneDrives + Embedded containers).
Advanced Tenant Rename (unlimited sites; requires SharePoint Advanced Management licenses for every user in the tenant). Now generally available with no scale limits (as of Oct 2025).

Prerequisites (both variants):

Global Administrator (or at least the SharePoint Administrator).
Latest SharePoint Online Management Shell.
New “.onmicrosoft.com” domain already added and healthy.
No Multi-Geo, government clouds, vanity domains, alternate URLs, public sites, locked sites, or BPOS sites.
Enough extra storage (0.15 MB per site for redirects).
Modern app versions (OneDrive sync ≥ 17.3.6943.0625, etc.).
Tenant rename is allowed only once (additional attempts need Microsoft Support approval).

Also Read: How to find Microsoft 365 Tenant ID

Steps:

Connect to SPO PowerShell: Connect-SPOService -Url https://-admin.sharepoint.com.
Schedule (must be 24 hours–30 days in the future):
Start-SPOTenantRename -DomainName “newname” -ScheduledDateTime “2026-04-15T02:00:00.”
(Advanced only) Prioritize up to 4,000 critical sites with Set-SPOTenantRenameSitePrioritization.
Monitor: Get-SPOTenantRenameStatus and Get-SPOSiteRenameState.

True Tenant Renaming is Not Possible: Here is the Alternative

Use the FreeViewer Office 365 Tenant Migration Tool. It is the only solution you need to transport all data that is inside one O365 Tenant to another.

Super easy to use thanks to its no-code GUI dashboard. With its user and timeline filtering system, you can dictate the transfer with absolute precision.

So get your free copy today and rename tenants without fail.

My Verdict

Here, I showcased every possible way to rename the O365 Tenant out there. Now it is up to you to choose the method that works best. The reality is, tenant renaming is a mere cosmetic change. A true name change is not possible without shifting to a new Tenant. For that, it is best to use the professional solution that I told you about earlier.

Frequently Asked Questions

Q. How many times can I rename the O365 Tenant?
As of 2026, only 1 self-renaming is possible from the admin’s end. Any further requests need to go through Microsoft Support.

Q. How frequently can you change the Office 365 Tenant name?
The one-time rename limitation means there is no cooldown period. Once renamed, no reversals or edits can be done from the Admin end.

Q. Who has the authority to alter the M365 tenant Name?
Only a Microsoft 365 Global admin can rename the M365 tenant.

Q. How long does it take for the new O365 tenant to reflect?
On average, a simple renaming can take anywhere from several hours to a few days for the actual process to complete.