Invoices

How to change Invoice Number or Add a prefix in Invoice Number?

Last updated: March 21, 2026

Invoice numbers are automatically generated when you create a new invoice. To change the invoice number prefix or starting number, follow these steps:

  1. Click Settings in the left sidebar.
  2. Go to the Document Settings section.
  3. Find the invoice numbering options where you can set:
    • Prefix -- add a custom prefix to your invoice numbers (e.g., "INV-", "2026-", or your company initials).
    • Next Number -- set the next invoice number to start from.
  4. Save your settings.

All new invoices created after this change will use the updated prefix and numbering. Existing invoices are not affected.

On the Mobile App

  1. Tap the More tab at the bottom, then tap Settings.
  2. Tap Business Settings and find the document numbering options.
  3. Set the Prefix and Next Number for invoices.
  4. Save your settings.

All new invoices created after this change will use the updated prefix and numbering.