License & Subscription Issues

How to Change a BigPond Microsoft Account Alias Without Losing Microsoft 365

Maira Mehtab Sep 22, 2026 869 views

Question details

The user wants to change or remove a BigPond email alias linked to a Microsoft 365 subscription without losing access to the subscription, shared accounts, or connected Outlook emails.

Product: Microsoft 365
Device & OS: not provided
Scenario: Updating the primary email alias for a Microsoft account.
Observed behavior: Removing the primary Microsoft account alias directly or letting the account expire can result in the loss of subscription access and connected Outlook emails.

Before you start

Do not immediately remove your BigPond email alias or let your primary account expire. First, log into your Microsoft account dashboard to verify your subscription ownership and alias options to avoid losing access to your services.

Solution 1Recommended

Add a New Alias and Set as Primary

The safest way to transition away from a BigPond email is to add a new alias to your existing Microsoft account and make it primary before removing the old one.

Removing a primary alias associated with a Microsoft 365 subscription can revoke your access permanently. Instead of unsharing or letting accounts expire, you should manage your aliases entirely within the existing Microsoft account settings.

Sign in to Microsoft

Go to the Microsoft account website (account.microsoft.com) and sign in with your current BigPond email address.

Access your info

Click on 'Your info' at the top of the page, then select 'Edit account info' in the Account info section.

Add a new alias

Click 'Add email' to create a new Outlook email address or add an existing email address as a Microsoft account alias.

Make the new alias primary

Once added, click 'Make primary' next to your newly added email address.

Manage the old alias

You can now safely leave the BigPond email as a secondary alias or remove it, keeping your Microsoft 365 subscription securely attached to the new primary alias.

Contact Microsoft Support for Data Migration: If you are setting up a completely new subscription and want to migrate data, consult Microsoft Support directly, as subscriptions cannot be manually transferred between entirely separate Microsoft accounts.

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Frequently Asked Questions

Can I transfer my Microsoft 365 subscription to a completely different Microsoft account?

No, Microsoft 365 subscriptions cannot be manually transferred between different Microsoft accounts. You must either manage aliases within the original account or cancel the existing subscription and purchase a new one on the desired account.

Will I lose my files if I change my Microsoft account alias?

No. If you simply add a new alias and make it primary while remaining in the same Microsoft account, all your OneDrive files, subscription statuses, and connected services remain intact.

What happens if I remove my BigPond email alias entirely?

If you remove the BigPond email alias from your Microsoft account, you will no longer be able to sign in using that email. Ensure you have set another alias as the primary email before removing it to prevent losing access to your Microsoft 365 subscription.

Login & Account Issues