I accidently subscribe to the monthly plan, but I didn't even use a picture from Adobe Stock. I have no money to pay for it. So Adobe continously send me e-mails about billing failure. How can I unsubscribe?
Contact Adobe customer care. Adobe customer care can be contacted by beginning a secure chat session at https://helpx.adobe.com/contact.html?rghtup=autoOpen. If the chat window fails to open, or is non-responsive, use a different device to start the interaction.