Customizing the Application > Setting Options > General Options
  
General Options
Select general options from the General-Main Options dialog box.
Option
Description
Display Thumbnails in View Gallery
Displays open views in the Views display grid.
Show dialog to confirm closing of all active views
Displays a warning message before closing unsaved data.
Switch to perspective view mode automatically when Explore navigation method is selected
Activates a perspective view automatically in Explore navigation mode.
Show alert message for advanced search with duplicate colors
Displays a warning message if you select the same color for more than one query when performing a color-coded search.