How can it be possible since you record an online webex meeting and the output is WRF, isn't ARF?
If there is no audio you might did not click on the microphone when the meeting is going on, as for no video output that is really hard to say. If it is...
In fact there is an option of MP4 format in WebEx Network Editor, but when I click on it, it asks me to type in some kind of password. Then I tried my WebEx account, not the same? WTF?
After you have used WebEx Online Confernce and downloaded the recorded video the file will be saved as ARF. As for WRF, it is generated by another program named WebEx Recorder which is a screen capture tool. These are all proprietary formats of Cisco...
After I download my webex online meeting documents to my PC, I tried converting it to MP4 with the inner editor. But it asked me to sign in what passports i do not know. So, i do not know what to do