cancelling in the trial period

check your billed account by using https://helpx.adobe.com/manage-account/kb/unknown-charge-on-bill.html to find the account and then check it, https://account.adobe.com

does it show any subscriptions

In this forum, we cannot answer payment or refund issues. You will have to contact Adobe directly.

Contact Adobe support by clicking here:

https://helpx.adobe.com/contact.html?rghtup=autoOpen

In the chat field (lower right of screen), Typing “Agent” into the chat text field will bypass the initial chatbot. Be patient, it can take quite a while to reach a human. If you are not able to get to the chat window, then disable your ad-blockers, firewall, enable cookies/scripts on your browser. If it still fails then change your browser/machine/network.