Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Hello,
Please make sure you cancel it first before you contact support.
Please go to https://account.live.com
Sign into your Microsoft account. Then go to Subscriptions. Click on Manage for the subscription plan you want to cancel.
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For refund, open the "Get Help" app on your computer (just search for it in the Start menu). or go to https://support.microsoft.com/contactus, Type "Billing" and press Enter. On the next screen, click "Contact support" at the bottom of the page, then choose "Microsoft 365" > "Manage my subscription". You’ll then see the option to chat with a Microsoft support agent who has access to your account to help review the issue.