The Windows menu of the Tabbed MAXScript Editor introduced in 3ds Max 2008 contains commands for switching between multiple opened files, closing and saving all and switching to any of the opened files directly.
Previous (SHIFT+F6)- Switched the focus to the previous file.
Close All-Closes all opened files. If any of the files requires saving, you will be prompted to confirm the saving before closing or close without saving for each of them.
List of opened files- Provides a list of all files currently in the editor.