License & Subscription Issues

How to Change the Email Address for a Microsoft 365 Personal Subscription

Maira Mehtab Sep 20, 2026 869 views

Question details

The user wants to change the email address linked to a Microsoft 365 Personal subscription (originally purchased via an EE mobile account) while keeping all Word, Excel, and OneDrive content intact.

Product: Microsoft 365 Personal
Device & OS: not provided
Scenario: Updating the primary email address for an active Microsoft 365 subscription without losing saved files or losing access to Office applications.
Observed behavior: The user needs to transition to a new email address but cannot simply merge accounts, raising concerns about data retention and subscription continuity.

Before you start

Ensure you download and back up all important files from your OneDrive to a local hard drive before making any major account changes or cancelling your existing subscription.

Solution 1Recommended

Add an Email Alias to Your Existing Account

This is the safest and easiest method. It allows you to change your sign-in email without transferring files, losing data, or cancelling your current subscription.

Microsoft allows you to add multiple email addresses (aliases) to a single account. You can designate one of these aliases as your primary sign-in address. Note that you cannot replace your account with a completely different, already-existing Microsoft account.

Sign In to Microsoft

Go to the Microsoft account website and sign in with your current email address.

Navigate to Your Info

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

Add a New Email Alias

Click 'Add email' to either create a new Outlook email address or link an existing third-party email address as an alias.

Make the Alias Primary

Once the new email is added and verified, click 'Make primary' next to the new email address. You can now use this email to sign in to your Microsoft 365 apps.

Solution 2

Cancel and Repurchase with a New Account

Use this method if you want to completely separate from the old Microsoft account. This requires manually moving your OneDrive files.

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Frequently Asked Questions

Will I lose my Word and Excel files if I cancel my Microsoft 365 subscription?

No, any files saved locally to your device's hard drive will remain intact. However, you will lose the ability to edit those files using Microsoft's desktop apps until you sign in with an active subscription or use an alternative like WPS Office.

Can I merge two different Microsoft accounts?

No, Microsoft does not allow the merging of two separate Microsoft accounts. You must either add an alias to an existing account or manually transfer your data (like OneDrive files) to the new account.

How does cancelling my Microsoft 365 subscription through EE affect my account?

Cancelling through a third-party provider like EE simply stops the automatic renewal. Once the current billing period expires, your Microsoft account will revert to the free tier, and your OneDrive storage limit will be reduced to 5GB.

How do I transfer OneDrive files to a different Microsoft account?

There is no direct transfer button. You must manually download the files from your old OneDrive account to a local storage drive, log into the new Microsoft account, and then upload the files to the new OneDrive.

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