When you launch the meeting go immediately to the menu on top and select Meetings -> Options -> General tab -> and check or uncheck the box for allowing video for participants. Then click Apply
![Turn Video off on Webex for Participants Turn Video off on Webex for Participants](https://kb.wisc.edu/images/group382/shared/WebexMeetingImages/turnvideooff.png)
For MAC
You need to do this at the time of the meeting. (after launching the meeting as a Host)
Go to Menu, Webex Meetings, select Preferences, Tools, and uncheck Allow all participants to turn on video. Then Click OK
![Turn off video on a mac Turn off video on a mac](https://kb.wisc.edu/images/group382/shared/WebexMeetingImages/turnoffvideomac1.png)
![Turn Off video on Mac screen 2 Turn Off video on Mac screen 2](https://kb.wisc.edu/images/group382/shared/WebexMeetingImages/Turnoffvideomac2.png)