I just like many others use a digital invoicing system I subscribe to. It's very cheap, just a few euro a month. They already introduced Peppol support so it's

I just like many others use a digital invoicing system I subscribe to. It's very cheap, just a few euro a month. They already introduced Peppol support so it's not an issue really. Any invoicing system that doesn't offer integration with Peppol would go out of business (basically useful only for VAT-exempt subjects which is a tiny fraction of the market).