New. Creates a new empty outline window.
Open... Brings up a file dialog where you can open a file.
Open Recent. Allows you to open recently opened documents.
Close. Attempts to close the frontmost window. If this is a document window with unsaved changes, you will be offered an opportunity to save the document (or to cancel closing the window).
Save. Saves the document. If this is a new document, you will be presented with a Save dialog so you can specify a name for the document and where to save it. Disabled if the document was imported (by opening a non-Opal file); use Save As instead.
Save As... Offers a Save dialog, where you can specify a name and location under which to save the document. If you do so, the window then displays this newly saved document.
Revert to Saved... Reopens the document from disk, losing any changes you’ve made since the document was last saved. You are offered a chance to cancel this action before it is performed.
Export... Offers a Save dialog containing a File Format popup, where you can save a copy of the document in a non-Opal format. Afterwards, the window still displays the original Opal document (and, if this document contained unsaved changes before the export, it still does).
Page Setup..., Print... Brings up the usual dialogs for printing the frontmost document.