The current study aimed at highlighting the role of e-management (Customer relations management, Partner relations management, Digital rights management and Supply chain management) in supporting sustainable performance among telecommunication organizations in Palestine including (Palestine Telecommunications (Paltel), Palestine Cellular Communications Ltd. (Jawwal), Ooredoo Palestine). Quantitative methodology was employed, and an online questionnaire was distributed on a sample of (294) individuals working within the Palestinian telecommunications organizations mentioned earlier. SPSS was used in order to classify and analyze primary data, multiple and linear regression were used and results indicated the acceptance of the main hypothesis which argued that "E-management has a statistically significant influence in supporting sustainable performance among telecommunication organizations in Palestine" with a strong relationship with sustainable performance. In other words, study concluded that e-management can support sustainable performance by implementing strategies that focus on the efficient use of resources, reducing waste and increasing productivity. Here are some ways e-management can support sustainable performance. In summary, e-management can support sustainable performance by embracing digital transformation, leveraging data analytics, using collaboration tools, implementing energy efficiency measures, and optimizing supply chain management, by doing so, organizations can reduce waste, increase productivity, and improve their environmental sustainability. Study recommended the management to be aware that adopting e-management requires the organization to invest more in cyber security. Further recommendations were presented in the study.