You can now duplicate an invoice from your Dashboard. This feature is available for invoices in any status, but only for one-off invoices. The duplicate invoice button for recurring invoices will appear greyed out.
This could be helpful if you want to:
quickly resend finalised invoices that require a change (and void the previous one)
make small changes to a one-off invoice for a specific customer
To do so, open your invoice page and click the ••• button for the invoice that you want to duplicate. Click the Duplicate invoice option to create, edit and then send the new invoice.
Or directly from an invoice, as below:
When you duplicate an invoice, all the information on the original invoice will be copied except for credit notes, as will any deleted or archived products, prices, coupons, discounts or tax rates.