Editing the file format of your invoice(s)
You can easily editing the file format of your exported receipts & invoices by looking under ["Settings" > "Exports"].
From there, you should be able to edit the data that will be added when exporting your invoices and receipts. You will be able to customize the receipt file name format, according to a wide range of criteria (such as date, supplier name, payer, etc.) and even specific analytical codes/custom fields.