---
title: "Manage availability data"
description: "Click the links below to learn more about a topic you are interested in. Use the breadcrumb links in the upper left corner to see your location, navigate backwards or go to the starting point."
lang: en
languages:
  en: https://docs.vismasoftware.no/visma-net-erp/help/inventory/manage-availability-data/index.md
lastmod: 2026-02-19
---

> Documentation index: https://docs.vismasoftware.no/visma-net-erp/help/inventory/manage-availability-data/llms.txt


# Manage availability data

Last modified February 19, 2026

> Click the links below to learn more about a topic you are interested in. Use the breadcrumb links in the upper left corner to see your location, navigate backwards or go to the starting point.


Click the links below to learn more about a topic you are interested in. Use the breadcrumb links in the upper left corner to see your location, navigate backwards or go to the starting point.


---

[View this page](https://docs.vismasoftware.no/visma-net-erp/help/inventory/manage-availability-data/)


## In this section


- [Manage availability data - overview](https://docs.vismasoftware.no/visma-net-erp/help/inventory/manage-availability-data/manage-availability-data-overview/index.md): Visma Net gives you real-time visibility into available inventory, which can help you improve customer service by being able to deliver promised items in the…

- [About availability calculation](https://docs.vismasoftware.no/visma-net-erp/help/inventory/manage-availability-data/about-availability-calculation/index.md): Quantities of items on hand at warehouses are automatically updated only after the documents that record inventory transactions are released or posted.

- [About lot and serial numbers](https://docs.vismasoftware.no/visma-net-erp/help/inventory/manage-availability-data/about-lot-and-serial-numbers/index.md): Lot numbers and serial numbers are used to track certain types of stock items as they are received, stored, manufactured, and shipped.

- [About lot and serial number tracking](https://docs.vismasoftware.no/visma-net-erp/help/inventory/manage-availability-data/about-lot-and-serial-number-tracking/index.md): To be able to track stock items by either lot or serial numbers as well as by expiration dates, you need to enable the Lot and serial tracking functionality in…