Product Key Issues

Fix a Blank Redeem Code Link for Microsoft 365

Steve KSteve K Oct 9, 2026 870 views

Question details

The user is unable to renew their Microsoft 365 Family subscription because the redemption link opens a completely blank browser page.

How to Fix a Blank Redeem Code Link for Microsoft 365
Product
Microsoft 365
Device & OS
Windows
Scenario
Attempting to renew an expired Microsoft 365 Family subscription using a prepaid card or redeem code.
Observed behavior
Clicking the 'Redeem a code or prepaid card' link results in a blank browser tab, preventing the user from entering the product key.
Before you start

Ensure you have a stable internet connection and keep your 25-character Microsoft 365 product key readily available before proceeding with the troubleshooting steps.

Solution 1Recommended

Use an InPrivate Window or Alternative Browser

This is the quickest way to bypass browser extensions or cached data that might be blocking the redemption page from loading.

Browser extensions, ad blockers, or corrupted cookies can often interfere with Microsoft's authentication and redirection processes, resulting in a blank page.

1
Open a private browsing window

Launch your primary web browser. Press Ctrl + Shift + N (Chrome/Edge) or Ctrl + Shift + P (Firefox) to open a new Incognito or InPrivate window.

2
Navigate to the redemption page

Type 'setup.office.com' or 'microsoft365.com/setup' directly into the address bar and press Enter.

3
Sign in and redeem

Log in with the Microsoft account associated with your subscription and enter your 25-character product key.

Use an InPrivate Window or Alternative Browser
Alternative Browser: If the InPrivate window still shows a blank page, try using a completely different browser (e.g., switch from Chrome to Edge) to complete the redemption.
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Frequently Asked Questions

Where is the correct page to redeem my Microsoft 365 product key?

You should navigate directly to setup.office.com or microsoft365.com/setup in your browser. Ensure you are signed in with the Microsoft account you want associated with the subscription before entering the 25-character key.

What does it mean if my Microsoft 365 product key says it has already been used?

This usually means the code was already redeemed to a Microsoft account. Check your account's 'Services & subscriptions' page to verify if the subscription is already active. If you have multiple accounts, check the others as well.

Can I redeem a Microsoft 365 Family code if I currently have a Personal subscription?

Yes. When you redeem a Microsoft 365 Family code on an account with an active Personal subscription, your remaining Personal time will be automatically converted and upgraded to Family time.