## Documentation Index Access the complete documentation index at: https://www.zoho.com/books/kb/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # Is it possible to purchase user add-ons and auto scan add-ons? The auto scan add can be purchased directly in the custom plan. However, the user add-on cannot be purchased. To purchase the auto scan add on: * Go to **Settings** in the top right corner of the page and navigate to **Subscriptions**. * Click **Buy now** near the auto scan add on. * Add your payment details and confirm the payment to complete the purchase. If you wish to purchase the user add on in Zoho Books you’ll have to contact us at [support-wave@zohobooks.com](mailto:support-wave@zohobooks.com).