The folder view is visible in the main search interface (accessible from Search at the top menu). Folder information is presented only if imported or synchronized data includes such information.

MailArchiva records folder state changes over time. By default, the folder view is set to the current time. Click the calendar icon at the top right to see the folder view as it was at a different time.
Type the name of a mailbox in the Filter field (found at the bottom) to find a mailbox. Right click a mailbox or folder in the view, to access the mailbox's context menu.
The following context menu options are available: