You can view and export your customers invoices whenever you want.
Select View Customers from underneath the Invoices & Receipts tab in the main menu.
Search for the customer you want to View or Export Invoices for and click on their name or the edit icon on the right hand side.
Select the Invoices Tab and you’ll be able to see a list of all their invoices. You can sort this list by invoice or payment date or Proforma invoice.
To Export all your customer invoices just click the Excel button towards the top right.