ad 2. Do you mean the drop-down list next to the "new file" button? What appears there depends on the highlighter settings. You can dis-/enable certain file types from Settings -> Highlighter settings. What a new file looks like is controlled by templates in the Template folder in PSPad's directory.
-- <http://forum.pspad.com/read.php?2,33947,33948> PSPad freeware editor http://www.pspad.com
