What is ARFĪRF (WebEx Advanced Recording Format) is a file extension for the WebEx advanced recording file from a network-based recording. In this article, we will show you what is ARF and effective way to convert ARF to MP4 for playing ARF on Windows 8/7/10, Mac OS X El Capitan10.11 and portable iOS/Android device. You must feel confused and be eager to know how to play ARF files. However, after recording, you will find out the WebEx recordings in ARF format are not compatible with Microsoft Media Player, QuickTime Player and iOS/Android device like iPhone 12/11/XS/XR/X/8/7, iPad Pro/Air/mini, iPod touch, Samsung Galaxy S7 edge, LG G5, Sony Z5, etc. You may often use WebEx network-based recording to record the whole process of important meetings. With the development of science technology, Cisco WebEx makes it possible and convenient to launch an online meeting or web conferencing over long distance. How to Play ARF Files on Windows/Mac/iOS/Android