Dear Paul Nicklin
Thanks for using Microsoft products and posting in the community.
For your current situation, you can visit the site to log into your account to view your subscriptions in Services & Subscriptions.
Microsoft account | Sign In or Create Your Account Today – Microsoft
Due to the purchase history and refund information need to relate to your personal privacy information and order history, the community is mainly for families and individuals for basic technical support for the system or office software, Microsoft community tools limitations, we can not directly help you to view your account subscription information.
This process may include confirming your Microsoft account and payment method, as well as other personal information. In order to avoid disclosing this information in a public forum, I will direct you to the appropriate place.
<--Contact Microsoft Chat Support-->
1.Go to the following Web site: Contact - Microsoft Support.
2.Select Contact Support (sign in to your personal Microsoft account).
3.Under Products and services, select options related to your product.
4.Under Category, select Manage my subscription.
5.Go to Confirm.
6.Select Chat with a support representative or request a callback.
Please note that chat support has fixed working hours, if the last window prompt is not available, please try to open it again tomorrow
I hope the above information will be helpful! Thanks for your patience and understanding!
Best Regards,
Maxine | Microsoft Community Support Specialist