Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Verify that the subscription is indeed canceled; go to your account at https://account.microsoft.com/services.
To learn more about refunds, see https://support.microsoft.com/en-us/account-billing/how-to-get-a-refund-on-a-microsoft-subscription-67dca30b-b323-44d5-acc2-e02f9902c472 (applies to consumer licenses such as Microsoft 365 Family).