Contact Support for a billing or subscription issue
As an administrator for Microsoft Office 365 for professionals and small businesses, you can get assistance from the Office 365 Support team for billing and subscription issues either online by submitting a service request or by talking directly to a Support representative by phone. To talk with a Support representative by phone, on the Admin overview page, on the left pane under Support, click Overview.
Contact Support by submitting a service request
When you submit a service request, it goes directly to a Support representative.
To create a service request for billing or subscription assistance, do the following.
On the Admin page, in the left pane under Support, click Service Requests.
On the Service Requests page, click New request.
On the New service request page, fill in the required boxes in the request. Provide as much additional information as possible to describe your issue. Attach any files as needed, and then submit your request.
After you submit your request, you will be contacted by a Support representative by email.
To update and interact with your service request while it’s open, take one of the following actions by clicking the appropriate link under Billing and subscription management service requests summary on the Support overview page.
Respond to a request from a Support representative for additional information.
View the status of service requests that have previously been submitted.
Add notes and files to an existing service request.
Close the request when your issue has been resolved or you no longer need assistance.