- 1. Visit https://zepbill.com/dashboard.
- 2. Click "Sales->Proforma Invoices in left side Navigation Bar.
- 3. Open the proforma invoice that you want to update.
- 4. Click "Update Invoice" button.
- 5. Click "Contact E-Mail" input field to update contact email.
- 6. Click "Contact E-Phone" input field to update contact phone.
- 7. Click "Invoice Date" input field and update invoice date.
- 8. Click "Purchase Order Number" input field and update the purchase order number.
- 9. Click "+ Add Product/Service" to add more products/services.
- 10. Click "Additional Charges" input field and update the additional charges.
- 11. Click "Discount Amount" input field and update the discount amount.
- 12. Check/Uncheck "Round Off" .
- 13. Click "Update" .