Pro Plan invoices are available as downloadable .pdfs from the My Pro Plan page.
On the My Pro Plan page, click on Pro Plan Details at the bottom of the page. There, you will find the transaction listed. Click on View to open the .pdf invoice and save to download.
If the My Pro Plan page is not listed on the account, you can find your pro plan status on the My Subscriptions page. Please click on “Billing History” to open. Then click “View” to open the .pdf. Once it is open, it can be saved and downloaded.
If you have any further questions, please contact support at support@zno.com.