Yes, Proximus offers an online management system that allows customers to manage their accounts with ease. Through the MyProximus portal or mobile application, users can view their subscription details, check their usage, and monitor their billing information. The platform provides a user-friendly interface that enables customers to make changes to their services, such as upgrading plans or adding new features. Additionally, users can access customer support resources and troubleshoot common issues directly from the site. This online management system is designed to enhance the customer experience by providing 24/7 access to account information and services. For more specific details or to get started, it may be helpful to visit the current Proximus website for comprehensive guidance.