Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Hi Jim, typiclaly you shouldn't have to contact support to cancel a renewal that's coming up.
You can do it yourself: Please go to https://account.live.com
Sign into your Microsoft account. Then go to Services. Click on Manage for the subscription plan you want to cancel, or turn off auto-renewal so it will then expire when the day comes.
However, if you subscribe via third party, like Apple, Google or Best Buy, etc, you will have to go through their billing support, Microsoft explains it here: https://support.microsoft.com/en-us/account-billing/manage-your-microsoft-365-subscription-purchased-through-a-third-party-44749f45-4c0b-5d41-a73f-7634b8d2a763
Let me know if you run into any difficulty during this process, and specifically what the difficulty is if further help is needed.