I am submitting this feature request on behalf of our Webex customer Paul.
Please find below his valuable feedback.
"Remember who was invited last time. Provide options to select from previous invitees. This will save time needed to enter a full email address, and reduce the probability of typing errors and wrong emails."
In the webex app calendar, one can refer to a previous meeting to see who the invitees were. They can then copy this list of invitees as well (copy button is provided) and use this bulk list of invitees to schedule another meeting.