Use Slido in Webex Webinars

  • 20 January 2022
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You can use Slido live polling and Q&A directly in Webex with our seamless integration. It’s currently available also for Webex Webinars (formerly Webex Events (new)) for up to 10,000 attendees, 5,000 if you’re using quizzes. 


 In this article: 


Essential Requirements
  • Slido needs to be approved and enabled in the Webex Control Hub by a full Webex admin
  • Webex Webinars app version 41.9 or later
  • The following domains need to be allowed in your network firewall:,, *,, *,
Current Limitations of Webex and Slido integration:
  • Slido is available for hosts and panelists (if they’re managing Slido) on Webex desktop app only: they need Webex Webinars on Windows or macOS.
  • Webcast view for attendees and Webex Events (classic) are not supported
  • Collaborators in Webex Webinars have to be a panelist and use Webex desktop app to see Apps
  • Internet Explorer 11 not supported
  • Space meetings are not supported
  • Webex shared devices and personal devices for hosts are not yet supported
  • Not available for FedRAMP and end-to-end encrypted meetings
  • Post-event Slido Analytics are not available in Control Hub
  • Ideas feature not available



Schedule a Webex Webinar


To start: 

  1. Log in to your Webex platform (e.g. and click ‘Schedule a webinar’:
Scheduling a Webex Webinar


  1. Then, fill out the information about your webinar and click ‘Schedule’ once finished.


Filling in your webinar’s details

Please note that ‘Webcast view for attendees’ requires the audience to open the webinar in a web browser. As the Slido integration is supported in the Webex app only, your participants will need to use Slido outside of Webex. Scroll down to ‘Useful tips’ section for details. 



Set up and run Slido during your webinar

You can prepare your Slido in advance at‘Log in with Webex’, enter your Webex credentials and create your Slido

Alternatively, you can set everything up on the day of the event directly in Webex:

  1. Open the Webex desktop app and continue to ‘Apps’
  2. Click Slido
  3. Select your existing event or create a new one
Opening Slido in Webex sidebar via Apps


Once you’re in, create your polls or turn on moderation of questions if preferred. Creating and managing polls and Q&A during your webinar is similar to how it’s done in Webex Meetings. The visual guide below will walk you through it:


Please note that the ‘Apps’ button and Slido are not available in webinar practice session. It will appear once you’re live. 


Your participants joining Slido via Webex app will be able to interact with Slido directly in the sidebar, once you open it via Apps. If you have participants joining via a browser, check the tip “Running Slido with Webex Webinars and Webcast view for attendees” below.



Have a collaborator help you managing polls and Q&A

To help you activate polls and moderate submitted questions, you can add a collaborator to Slido.

As the Webex webinar host, you should be the first one to open Slido via Apps > Slido during the webinar. Collaborators also need to open Slido via Apps > Slido to be able to help with polls and Q&A. 


Useful tip: Running Slido with Webex Webinars and Webcast view for attendees

If you checked ‘Webcast view for attendees’ when scheduling the webinar, or if your audience doesn’t use the Webex app, the webinar will open in the web Webex interface for them. Your participants will need to join Slido via their web browser. They can do so via a direct link, QR code, or event code

As a host, you will be able to manage Slido via the integration in the Webex sidebar. You can include the Slido link for attendees in the webinar invite. This will require you to create a Slido via in advance. 

For Slidos created directly in Webex on the day, you can find the link and event code under the hamburger menu in the Webex sidebar. Simply share it during your webinar via chat or put it in your slides.


The following articles explain more about Webex Webinars and the difference between a running a Webex Webinar in a webcast mode for the audience and without it.



Curious about learning more? 


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