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and if @LinSims help link fails, using a browser that allows popups and cookies, contact adobe support by clicking here, https://helpx.adobe.com/contact.html?rghtup=autoOpen
in the chat field (lower right), type AGENT
be patient, it can take quite a while to reach a human

See here for how to cancel a subscription. https://helpx.adobe.com/manage-account/using/cancel-subscription.html