How to Contact Microsoft About an Unauthorized $800 Charge
Question details
The user experienced a large, unrecognized $800 charge from Microsoft and needs to know how to dispute it and contact billing support.

- Product
- Microsoft 365 / Microsoft Account
- Device & OS
- not provided
- Scenario
- Reviewing bank or credit card statements and finding a fraudulent or unauthorized Microsoft charge.
- Observed behavior
- An $800 debit appeared on the financial account without the user's authorization or recognition.
Gather your transaction date, exact amount, and any reference numbers from your bank statement, but never share your password or full credit card details with anyone.
Submit an Online Billing Support Request
The most efficient way to dispute a charge is by contacting Microsoft support directly through their official help portal.
Submitting an online ticket ensures your request is routed directly to the billing department with all necessary account information automatically attached.
Navigate to the official Microsoft support contact page in your web browser.
Log in using the Microsoft account associated with the unrecognized charge.
Select your product, choose 'Billing' as the issue, and provide your transaction details (date, amount, order number) to initiate a dispute.
Contact Microsoft Regional Phone Support
If you prefer speaking with a live agent or cannot access your Microsoft account, you can call their support line directly.
Dispute the Charge with Your Bank
If you suspect your payment information was stolen or if you do not have a Microsoft account, immediately involve your financial institution.
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Frequently Asked Questions
How long does it take for Microsoft to refund an unauthorized charge?
Refunds typically process within 3 to 5 business days after the support team approves the billing dispute, though it may take longer depending on your bank's processing times.
Can I check my Microsoft purchase history online?
Yes, log into your Microsoft account dashboard and navigate to the 'Payment & billing' section, then click 'Order history' to view all recent charges and invoices.
What if I don't have a Microsoft account but still got charged?
If your card was used without your consent and you do not have a Microsoft account, immediately contact your bank or credit card provider to report the fraud, block the transaction, and request a new card.




