No "Cancel Plan" Option

Contact Adobe Customer Support directly.  Fellow product users can't cancel your service.  Only Adobe can do that.

1. With a browser that accepts cookies and does not have script blockers, please log-in to your account portal below.
https://account.adobe.com/plans
2. Scroll down to Contact Adobe or Adobe Help Center on the same page.
3. Online chat is available in English 24/7.  See screenshot.

4. In the chat box, type AGENT followed by enter key and wait for a human.
5. Alternately, phone customer service M-F during normal business hours.
https://helpx.adobe.com/contact/phone.html

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How do I Cancel my Subscription?
https://helpx.adobe.com/manage-account/using/cancel-subscription.html
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Subscription & Cancellation Terms:
https://www.adobe.com/legal/subscription-terms.html

Good luck!

Are you on a month-by-month plan? ($30/mo one app $70/mo all apps)?

Or an annual, pay monthly plan ($20/mo one app $50 all apps)?

Btw, I haven't used this in months! (maybe twice in the past 2 years!) I should have cancelled a long time ago. Please help!