It's good to have you here, @ngorzkiCEA.
I can see that you posted the same question my colleague answered. You can look for it by clicking this link: https://quickbooks.intuit.com/learn-support/en-us/payments/re-attachments-are-missing/01/1364476#M5...
If you have additional questions about managing your invoice, please reply. I'll be willing to help. Good day.
