Activation Problems

Fix Office for Mac Activation with Inactive Email Address

Huma Ashraf Ch Sep 29, 2026 869 views

Question details

The user is unable to activate Microsoft Office on a Mac because the email service connected to their Microsoft account is no longer active.

How to Fix Office for Mac Activation Requests for an Inactive Email Address

Product: Microsoft Office for Mac
Device & OS: Mac
Scenario: Activating a previously purchased Office Home & Student license on a Mac device.
Observed behavior: Office prompts the user for activation, but the user is unsure how to proceed because the email address originally used for the purchase belongs to a deactivated email provider.

Before you start

Ensure you have the exact email address used during your original purchase of Office, as well as its corresponding Microsoft account password.

Solution 1Recommended

Sign In Using the Inactive Email as Your Username

Use your old email address purely as a login ID, as Microsoft accounts remain valid even if the underlying email service is deactivated.

A Microsoft account is essentially a profile. The email address you used to create it acts as your username. Even if the email inbox itself can no longer send or receive messages, the username remains valid for signing into Microsoft services and activating your Office license.

Open Office

Launch an Office application on your Mac, such as Microsoft Word or Excel.

Trigger the activation prompt

Click on the 'What's New' window or the activation prompt that appears upon launch, and select 'Get Started' or 'Sign In'.

Enter your old email address

Input the inactive email address exactly as it was when you originally purchased Office.

Enter your password

Type in the password associated with this Microsoft account and complete the sign-in process to activate your license.

Sign In Using the Inactive Email as Your Username

Forgot your password?: If you forgot your password and cannot receive reset links because the email is inactive, you will need to use Microsoft's account recovery form or contact Microsoft Support with your proof of purchase.

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Frequently Asked Questions

Can I change the email address on my Microsoft account if the old one is inactive?

Yes, if you can still log in. Go to the Microsoft account website, navigate to 'Your info', and select 'Edit account info' to add a new alias. Make the new alias your primary email, but do not delete the old one until you verify everything works.

What if I forgot the password for my inactive email's Microsoft account?

Since you cannot receive a password reset email at a deactivated address, you must use Microsoft's Account Recovery form online. You will be asked to provide identifying details and a new contact email address.

Will I lose my Office Home & Student license if my email provider shuts down?

No, your software license is permanently tied to the Microsoft account you used for the purchase, not the email provider. As long as you know your login credentials, your license remains perfectly valid.

How do I find my proof of purchase if my email account is permanently closed?

You can check your credit card or bank statements from the time of purchase. If you bought a physical copy, look for the original retailer receipt or the product key card inside the packaging.

Installation & Activation