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License & Subscription Issues

Fix Microsoft 365 Purchased Through Amazon Cannot Access Office

John WilsonJohn Wilson Sep 29, 2026 869 views

Question details

Users are unable to access Microsoft Office applications because their Microsoft 365 subscription purchased via Amazon is not recognized, prompting repeated sign-in requests.

How to Fix Microsoft 365 Purchased Through Amazon Cannot Access Office
Product
Microsoft 365
Device & OS
not provided
Scenario
Attempting to use Microsoft Office desktop applications after purchasing a Microsoft 365 subscription through Amazon.
Observed behavior
The Office applications suddenly stop working, fail to recognize the active subscription, and repeatedly ask the user to sign in.
Before you start

Ensure you have the login credentials for your Amazon account and the Microsoft account you intend to use for your Office applications.

Solution 1Recommended

Activate and Link Subscription via Amazon

Manually activate the Microsoft 365 subscription from your Amazon account and link it to your Microsoft account to restore Office access.

Subscriptions purchased through Amazon often require a manual activation step to link the purchase to your Microsoft account. If this link is broken or incomplete, Office will not recognize your subscription.

1
Sign in to Amazon

Open your web browser, navigate to Amazon, and log in to the account you used to purchase Microsoft 365.

2
Navigate to Subscriptions

Go to 'Your Account' and select 'Your Memberships & Subscriptions' from the menu options.

3
Activate Microsoft 365

Locate your Microsoft 365 subscription in the list. Check if an 'Activate Subscription' button is available. If so, click it and follow the on-screen instructions to link it to your Microsoft account.

4
Verify on Microsoft Account

Navigate to office.com, sign in with the newly linked Microsoft account, and check your dashboard to ensure the subscription is shown as active. Note down any specific error messages if it fails.

5
Sign in to Office Apps

Open any Microsoft Office application (like Word or Excel) on your computer and sign in using the exact same Microsoft account verified in the previous step.

Activate and Link Subscription via Amazon
Account Matching: Using the exact same Microsoft account across the Amazon activation page, office.com, and the Office desktop apps is essential for recognizing the license.
Free Microsoft Office alternative

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Frequently Asked Questions

Why does Office keep asking me to sign in even though my Amazon subscription is paid?

This usually happens because the subscription was never formally linked from your Amazon account to your Microsoft account, or because you are currently signed into the Office apps with a different Microsoft account than the one linked.

Where can I find my Microsoft 365 product key on Amazon?

Amazon typically links Microsoft 365 subscriptions digitally to your account rather than providing a traditional 25-character product key. You can manage and activate this directly from the 'Your Memberships & Subscriptions' page on Amazon.

What if my subscription shows as active on office.com but the desktop apps still won't work?

Try signing out completely from all Office applications on your device, restarting your computer, and then signing back in with the Microsoft account that holds the active subscription. In some cases, running the Microsoft Support and Recovery Assistant can also help resolve lingering activation bugs.