Cannot find out how to contact a person to cancel wrongly applied business subscription

Sorry but it would be really helpful if the description of the problem were read properly. It is precisely because it is not possible to do this that I posted here in the first place. When I try to do anything with that account it refuses to let me in and gives the error message that the account name does not exist. It does. Microsoft created it. I have no access to it, that is the problem.
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How to cancel Office 365?
<br />If you have a account...Go to your account page and log in.
<br />Locate the “Services and Subscriptions” section, and find your subscription.
<br />a)Hit “Manage.”
<br />b)Hit “Cancel.”
<br />When the popup box appears, hit “Confirm Cancellation.”
<br />How to cancel your Microsoft subscription
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<br />Virtual Agent:
<br />Need help cancelling your subscription?
<br />Get help now
<br />This article covers the steps to cancel your Microsoft subscriptions such as free trials, Xbox Live and Microsoft 365.
<br />What you need to know about deleting users
<br />Hope I was able to help you with this info.
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Hi Ilja N,

Thank you for reaching out to us. I am Blessing, an independent advisor here and a Microsoft user like you.

Sorry for the inconvenience. I understand your inquiry but since you are unable to cancel the subscription, you will need to contact Microsoft billing support to assist you in cancelling the subscription to get a refund.

Kindly follow the steps below carefully to contact Microsoft support:

1. Go to http://support.office.com/home/chat
2. Describe your issue (I need to cancel the subscription) and click 'Get Help'. Then scroll down to select Contact support.
3. Select your product (Microsoft 365 and Office) and category (manage my subscription) > click Confirm.
4. Click ‘Chat with support agent’ > Confirm.
5. Click Start Chat.

Hope this helps!

Hi abc A,

Thank you for reaching out to us. I am Blessing, an independent advisor here and a Microsoft user like you.

You cannot transfer Microsoft 365 subscription from one Microsoft account to another account.

If you redeemed a product key for Microsoft subscription to a wrong account, the subscription is associated with that Microsoft account.

Yes, you can cancel this subscription from the wrong account, then purchase a new Microsoft 365 subscription with the right account.

Please understand that you can only use Office product in the region it was purchased.

You can contact Microsoft support to assist you further:
1. Go to http://support.office.com/home/chat
2. Describe your issue and click 'Get Help'.
3. Select your product and category > Confirm.
4. Click ‘Chat with support agent’ > Confirm.
5. Click Start Chat.

Hope this helps!

I understand you need to cancel the subscription to initiate a refund request. Refunds are processed within 3-5 working days. However, you can also contact Microsoft support to help process this