License & Subscription Issues

Why Microsoft 365 Will Not Refund an Unused License and How to Resolve It

Bushra Parveen Oct 10, 2026 869 views

Question details

The user is unable to obtain a refund for a Microsoft 365 license that remained active and continued billing after an employee was removed.

Why Microsoft 365 Will Not Refund an Unused License

Product: Microsoft 365
Device & OS: not provided
Scenario: Trying to secure a prorated credit or refund for an unused software license after an employee's departure.
Observed behavior: Microsoft 365 continues to charge for the unused license and denies the refund request based on the subscription agreement terms and billing account type.

Before you start

Before submitting a support ticket, log into your admin portal to verify whether your billing account type is a Microsoft Customer Agreement (MCA) or a Microsoft Online Subscription Agreement (MOSA), and note the date your subscription started or renewed.

Solution 1Recommended

Verify Billing Account Type and Submit a Support Case

Determine your billing agreement type to understand your refund eligibility window, then formally request a review through the admin center.

Microsoft's refund policy heavily depends on the specific billing agreement attached to your account. If you are on a Microsoft Customer Agreement (MCA), prorated refunds or credits are strictly limited to cancellations made within seven days of the subscription's start or renewal date. Conversely, Microsoft Online Subscription Agreement (MOSA) accounts tend to have different, sometimes more flexible, rules for prorated credits.

Log in to the Admin Center

Navigate to the Microsoft 365 admin center and log in using your administrator credentials.

Check Billing Policies

Go to the 'Billing' section on the left sidebar and click on 'Your products' to locate the subscription associated with the unused license.

Identify Account Type

Review your subscription details to identify if your billing account is classified as MCA or MOSA.

Remove the License

Ensure you explicitly unassign and remove the unused license from your subscription pool to prevent any future billing.

Open a Support Ticket

Navigate to 'Support' > 'Help & support' to open a new billing support case. Clearly request a manual review of your duplicate license and billing history.

Verify Billing Account Type and Submit a Support Case

Time Sensitivity for MCA Accounts: If you determine you have an MCA account, it is critical to act immediately. Refunds and prorated credits are typically only granted within the first seven days of the billing cycle.

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Frequently Asked Questions

What is the difference between MCA and MOSA billing accounts?

MCA (Microsoft Customer Agreement) strictly limits prorated refunds to cancellations made within seven days of the subscription start or renewal date. MOSA (Microsoft Online Subscription Agreement) accounts often allow for prorated credits or refunds at different points after starting or renewing.

Does deleting a user account automatically cancel their Microsoft 365 license?

No. Deleting an employee's user account frees up the license, but your organization will continue to be billed for it. You must explicitly unassign and remove the license from your subscription pool in the 'Billing' section of the admin center to stop the charges.

What should I do if Microsoft support denies my refund request?

If your initial request is denied, reopen the support ticket or escalate it within the Microsoft 365 admin center. Provide detailed documentation, such as the exact date the employee was terminated and the user account deleted, to request a manual review of your billing history.