The following can be done on the Membership tab:
Turn off the Member's auto-renew: Cancels the auto-renewal
Change the Member's renewal date: Click the change the renewal date for that member
Move the Member to another Membership: Click to move the Member to another Membership
Delete the Member: Click to delete the Member from that Membership
To complete any of the above actions, click on the Membership to view the Members on the right side. Click the three dots beside the Member's name to pull up a menu. Click the action you wish to take.