1. Navigate to the Attendees tab and locate the attendee you would like to replace. To speed up this process, you can use the Search and Filter functions.

2. Click the Edit button beneath their name and change their details to those of the replacement attendee. Do not change the password. Click Save.

3. To allow the new attendee to  log in, click 'Send login token' on the right. This will send them a link that automatically logs them in.

4. If they would like to change their password, instruct them to log out of their account and choose 'Forgotten password?' 

Note that any meetings will be transferred automatically to the new person.