From Adobe Portfolio
- Once logged in into your Portfolio account, click on "Settings" in the left-hand toolbar
- Click over to Your Account
- Click Manage your account
- This will take you to https://accounts.adobe.com where you will be able to find your billing history under "Plans and Products" -> "Manage Plan" -> "Billing History".
- Visit https://accounts.adobe.com
- Click into Invoice and billing history under you plan