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Invoice Numbering

Configure auto-increment and custom invoice numbers

How Invoice Numbering Works
Invoisor automatically generates sequential invoice numbers

Auto-Increment Feature

Every time you create an invoice, the system automatically increments the invoice number. For example:

  • First invoice: INV-1001
  • Second invoice: INV-1002
  • Third invoice: INV-1003

Customizing Invoice Prefix

You can change the prefix from "INV-" to anything you like:

  1. Go to Settings
  2. Scroll to Invoice Settings
  3. Change the Invoice Prefix field
  4. Click Save

Example prefixes: INVOICE-, 2026-, CLIENT-INV-, etc.

Changing the Next Invoice Number

If you need to start from a different number:

  1. Go to Settings
  2. Find Next Invoice Number
  3. Enter the desired starting number
  4. Click Save

⚠️ Note: This only affects future invoices, not existing ones.

Best Practices

✓ Start with 1001

Makes your business look more established

✓ Include the Year

Use prefixes like "2026-" or "INV-2026-" for easier tracking

✓ Keep it Consistent

Don't change your format mid-year for accounting purposes

Troubleshooting

Invoice numbers skipping?

This happens if you delete an invoice. The system doesn't reuse numbers to maintain a clear audit trail.

Numbers not auto-incrementing?

Check your Settings to ensure the "Next Invoice Number" is correct. The system auto-increments after each invoice creation.