Working with Documents
The program saves documents in its own format. Document files have the "amdn" file name extension. To search for your documents, type "amdn" in the search box of Spotlight.
To save the current document, select File > Save… or File > Save As… menu command. The latter appears in the menu when you hold down the Opt key.
To find out the location of the current document on disk, right-click on the document's name in the title bar of the main window.
The operating system automatically saves versions of modified documents. Due to this feature, you don't need to save documents frequently during your work. Since the auto save feature has limitations, it is recommended that you periodically save your document manually. To find and restore any of saved versions, select File > Revert To > Browse All Versions….