Hello Claire O'Toole,
Welcome to Microsoft Q&A forum.
I see that you are having issue checking the order history of your account. Please note that this is a user-to-user support forum. Moderators, contributors including external Microsoft employees cannot directly intervene in Microsoft product features or access back-end systems. Our role is limited to providing technical guidance on reported issues, requests, or ideas. In this case, if you have a gamertag of the account that you made the purchase from, you can contact Xbox support so they can check if they can find your account. Thank you for your understanding.