Jabber | Leave a Space in webex
Windows, Mac
To exit the space, navigate to the Space information menu within the space, and select the exit Space option. You also have the option to leave the space by right-clicking (Control-clicking on a Mac) on the area in the Chats tab and selecting the Leave Space option.
iPhone and iPad
Under the Chats tab, swipe to the left of the space you want to leave, then hit the menu button and choose Leave space.
Android
You can leave a space by going to the Chats tab, selecting the space you wish to leave, holding it, and then tapping the Leave Space button.