Prompt to Save on Export
From the Layout Editor, when you select File > Export to MATLAB-file, a dialog box
informs you of the impending save and lets you choose whether or not you want to
continue.
Backward Compatibility Preference
MATLAB Version 5 or Later Compatibility
UI FIG-files created or modified with MATLAB 7.0 or a later version are not automatically
compatible with Version 6.5 and earlier versions. GUIDE automatically generates FIG-
files, which are binary files that contain the UI layout information.
5 GUIDE Preferences and Options