Odoo is an open-source ERP software that includes inventory management. This document compares Odoo 10 and 16 for inventory management capabilities and compliance with CEISA 4.0 regulations. Odoo 16 offers enhanced security, more advanced inventory tracking features, automated reporting for e-filing, and a more intuitive interface. Upgrading from Odoo 10 to 16 is important for businesses to ensure inventory management efficiency, accuracy, and regulatory compliance.