Hi, I'm John! I will help you with this.
Microsoft Q&A is public, and we can only provide information. It is beyond our capability to assist directly with billing-related concerns.
First, please sign in to the Microsoft account portal at https://account.microsoft.com/services using the email address linked to your active Microsoft 365 subscription.
- If you have more than one Microsoft account (like a work, school, or personal one), try signing in with each to see if there’s another active subscription.
- If you’re part of a Microsoft Family Safety group, or if any family members that has Microsoft Account, might have your payment card saved to their account, it’s worth signing in to their accounts one by one at the same link https://account.microsoft.com/services one by one to check for any additional subscriptions.
If you confirm you’re being billed twice under the same account:
To get a refund for your Microsoft 365 subscription, you'll need to cancel it first, and then you may be eligible for a refund for the unused portion of your subscription:
- Go to https://account.microsoft.com/services
- Sign in with the Microsoft account you used for the subscription.
- Look for your Microsoft 365 subscription and select "Manage".
- Then choose "Cancel subscription" and follow the prompts.
- Once it's canceled, you may see an option to request a refund, if you're eligible, it’ll appear there automatically.
You can also try automated way to investigate this by going to https://support.microsoft.com/account-billing/how-to-get-a-refund-on-a-microsoft-subscription-67dca30b-b323-44d5-acc2-e02f9902c472
- Click "Start" and continue with the prompt applicable to your situation.
I really hope this information is helpful!
Let me know how it goes or if you have any further questions or concerns.