Adding Extra Items To An Invoice

Is there a way to add extra products to an existing invoice? I keep having this problem when a client wants to add to their order but can't find any way to add an extra product? I can edit money or client details but not products.

Am I being dumb or is this just not an option? It's hugely annoying to keep having to make a new invoice each time and confuses clients when they have several invoices.

Any suggestions welcome.

If not an option can we have this soon please!!!

Thank you!

Edited by

You can edit items on an order/invoice, but it is not possible to add additional items to an order or invoice that has already been created.

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