Explorer panel
Explorer 
button on the toolbar or [View > Explorer] menu command shows or hides panel Explorer. It is dockable, resizable window that displays the hierarchical structure of the supported file formats, folders, and drives on your computer. It also shows any network drives that have been mapped to drive letters on your computer.
To open file from the Explorer panel, simply double-click on its name. Files are sorted by name in order of ANSI coding.
