The left hand sidebar in Box Notes lets you access recently opened Box Notes quickly and easily. The sidebar is collapsable. To open it, click the icon in the upper left corner. To close it, simply click the icon again.
To view a list of recently opened Box Notes, click the clock icon in the sidebar. By default, the Recents list displays your most recently accessed Box Notes. You can sort your recent Box Notes by Edited Date or Opened Date by clicking the Sort ▼ icon at the top of the sidebar.