The file types are specified by using filters which can contain wildcards. The wildcards can be either * (zero or various characters of any type) or ? (a character of any type). Each filter must be separated with a semicolon.
Example: *.htm;*.html
.topic 1004
The properties panel of the FileMenu Tools configuration window lets you change the properties of the selected element. Normally this panel is showed at bottom-left side of the window. In order to show this panel, you must click on Properties toolbar button or Edit/Properties menu command.