Most of the functionality of Mail Archiver X can be controlled with the toolbar, which sits at the top of the main window.
Setup: The Setup controls what, how and when Mail Archiver archives.
Archive: Starts the archival for the mailboxes of the activated email clients and IMAP accounts.
Archive Mbox: Shows a dialog to select files for archiving and then archives the selected files.
Open: Select am archive to open.
Print: Print an email.
Export: Exports the complete archive, the current mailbox or the selection. You can select the options.
Delete: Move the selected email to the trash mailbox.
Filter/Delete Filter: add or change a filter and remove a filter.