To edit an invoice In Sent status:
- Click on the invoice you would like to edit. 
 
- The edit button will be enabled. 
 
- You may add new invoice lines, remove lines, update line information, price, and discount. 
 
- Once you are happy with the edit, you can request payment. 
 
- View the updated invoice by clicking “Preview” or download it using the menu option (three dots on the far-right side).