AbstractE-Collaborative learning (ECL) is revolutionizing language education by harnessing digital platforms to enrich peer interaction and elevate English proficiency. This comprehensive literature review addresses the urgent necessity to consolidate findings on the effectiveness of ECL and its significant integration into pedagogy in educational environments. Through adherence to PRISMA guidelines, the study scrutinized 25 peer-reviewed articles published between 2019 and 2024, unearthing four fundamental themes: (1) Online Learning and Engagement, (2) Language Proficiency and Learning Outcomes, (3) Multimodal and Intercultural Communication, and (4) Student Attitudes and Self-Efficacy. The results unravel the intricate interplay of technology, pedagogy, and human factors in shaping language acquisition outcomes. ECL gives prominence to the demand for tailored ECL strategies and charts a course for future research, including longitudinal studies on the enduring effects of ECL and the creatio.....