By default, the sidebar is hidden on all portals. To check the status, or toggle the sidebar on or off, follow the steps outlined below:
How to enable/disable the sidebar from a portal
1. Open the Settings of the Portal in which you would like to hide the Sidebar
2. Under the Sidebar heading, look at the Hide Sidebar box. If the box is checked (default) the sidebar will be hidden when the portal is viewed. If the box is unchecked, the sidebar will be visible when the portal is viewed.