Actual Invoice can not be exported to Excel. They have Invoice report which can be exported to Excel. If you would like an Invoice report
<
ul>
<li>From the home page screen, go to blue navigation bar on the left,</li>
<li>Select Transactions</li>
<li>Select Sales</li>
<li>Select Filter, Type, Invoices, Choose date range and click Apply</li>
<li>Once the report is generated, you will see a symbol with a piece of paper and an arrow (between print list icon and setting gear icon, located far right corner). Chose this button to export to Excel.</li>