If the email address for your Contact has been edited and deleted, it may not be visible following the steps below.
There is no history column/section that shows the email address a bill was sent to. If you would like to add your vote to this Feature Request, please contact us either through email, the in-app chat, or via our Clio Support Center at +1-888-858-2546 ext 2.
Go to Billing tab
Locate the Bill
A window will pop up showing where the bill was "Previous sent to" at the top in a light blue box.