Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Hey there! Nice to meet you!
To turn off the recurring billing, please sign in to account.microsoft.com > go to Subscriptions > Locate your Microsoft 365 and click on "Manage" > then select "Turn off Recurring Billing"
You may also check this link for reference: https://support.microsoft.com/accounts-billing/subscriptions/turn-recurring-billing-on-or-off-for-a-microsoft-subscription
Thank you for your understanding.
Best regards,
Darhyl