I signed up for a 7-day free-trial, cancelled after 3 to 4 days. Got all the messages about whether i was sure etc. Definitely cancelled. Can't find any way to complain...

Thank you for posting to this public discussion forum, ​@Mccgregor.

I am sorry to hear about your experience evaluating our services, and I apologize for any problems you have encountered managing your subscriptions, ​@Mccgregor.

I can confirm that you successfully canceled both of your subscriptions. Refunds occur automatically and take up to 14 days. Please see https://helpx.adobe.com/account/individual/terms-policies-and-regulations/adobe-subscription-terms.html#month-to-month for more information.

You canceled both of your subscriptions early enough to qualify for a refund, ​@Mccgregor, I appreciate your patience while it is being processed.

Please don’t hesitate to contact us directly if you don’t receive your final refund after 14 days.

Note the ongoing CMA investigation into Adobe’s subscription practices.