How to copy as a document from an existing document?

InvoiceOwl is providing a facility to you that you can copy as an invoice, estimate, purchase order, or credit memo from an existing document using the following steps: 

• Click on the More button on the document screen at the bottom right corner.
• Tap on the Copy option in the popup window.
• Select any one from drop-down options such as Invoice, Estimate, Purchase Order, or Credit Memo.
• Tap on the Client, Items, and Attachments if you want to include details.