This dialog is displayed when you select the Save/Close Multiple… option from the Code window File menu. It shows a list of all the files that are open currently.

Select (
) any files that you want to save, or close. If
you want to select all files, click AllOn.
Click Save to save all the selected
files. Click Close File to close
all the selected files.
Click AllOn to select all the files in the list.
Click AllOff to deselect all the files in the list.
Click Close File to close all selected files in the list, and close the dialog.
Click Save to save all selected files in the list, and close the dialog.
Click Convert to convert files from DOS to UNIX by removing end-of-line markers, or adding end-of-line markers to convert UNIX files to DOS format. The current file type is displayed in the Type column.
Click Cancel to close the dialog without saving any files.