## Zoho Inventory Documentation Index Access the complete documentation index at: https://www.zoho.com/en-fr/inventory/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # How do I turn off/on auto generation of invoice numbers? ![](/inventory/images/ue-resources/llm-utility-menu/sparkle-ai.svg) Explore With AI ![](/inventory/images/ue-resources/llm-utility-menu/dd-arrow.svg) * [Open in ChatGPT (opens in new tab)](https://chatgpt.com/?prompt=Analyze+the+content+of+https%3A%2F%2Fwww.zoho.com%2Fen-fr%2Finventory%2Fkb%2Finvoice%2Finvoice-number.html+and+understand+it+thoroughly+so+I+can+ask+questions+about+it.) * [Open in Claude (opens in new tab)](https://claude.ai/new?q=Analyze+the+content+of+https%3A%2F%2Fwww.zoho.com%2Fen-fr%2Finventory%2Fkb%2Finvoice%2Finvoice-number.html+and+understand+it+thoroughly+so+I+can+ask+questions+about+it.) * ![Copy for LLM](/inventory/images/ue-resources/llm-utility-menu/copy.svg) Copy for LLM * [![View as Markdown](/inventory/images/ue-resources/llm-utility-menu/md.svg) View as Markdown (opens in new tab)](/en-fr/inventory/kb/invoice/invoice-number.md) * Open the New Invoice page. * Go to the field called **Invoice Number**. * Click the gear icon next to this field. * Choose the option **‘I will add them manually’** and click **Save** to apply your preferences. * Henceforth, you’ll be able to enter your own invoice number. Otherwise, you can directly edit the auto-generated invoice number if it’s a one time action. ![invoice number generation](/inventory/help/images/sales-orders/invoice-number-generation.png)