You can save files in the following ways:
To save changes to the current file, choose Gnome Crystal displays the Save As dialog. Enter a name for the file in the Save As dialog, choose a file format, then click .-> or click on the toolbar. If the file does not have a file name,
To save a new file or to save an existing file under a new file name, choose Save As dialog box, choose a file format, then click .-> . Enter a name for the file in the
Gnome Crystal file names use the .gcrystal extension. You do not have to type the extension, it will be added automatically.