How to customise your invoice and document numbering
Web
Updated Aug 2026
RushFlow gives every invoice and document a sequential number, and lets you customise the format — a prefix and a running number — so your paperwork is consistent, professional and never duplicated even under concurrent use.
Step by step
- Open numbering settingsWeb: in settings, open document/invoice numbering.
- Set the formatSet a prefix and the running sequence for invoices (and other documents).
- It applies automaticallyNew invoices take the next number in sequence — no gaps, no duplicates.
Where to find it
Web: document / invoice numbering settings.
Numbering is allocated safely so two cashiers can’t produce the same invoice number.
Frequently asked questions
Can I set my own invoice number format?
Yes. Set a prefix and running sequence for invoices and documents; numbers are allocated automatically with no gaps or duplicates.
Ready to run your business on RushFlow?
Start a free trial, or explore the live demo — no credit card needed.
Create your account →