which software will play .arf file
WebEx publishes webinars using the .ARF file format. WebEx also offers a free Network Recording Player application that allows you to open and watch .ARF files on your computer. You may download and install the Network Recording Player application on your computer directly from the WebEx website. Go to the WebEx Play a Recording homepage. Click the Download the .ARF player link to download and install the Network Recording Player software on your computer. Double-click the Network Recording Player icon to open the application. Click File from the main toolbar of the Network Recording Player application and select the Open option.