Allows you to associate file extensions to the viewer plugins or external viewers.

Dialog Box Options

File masks priority list
Lists all of extensions associated to the viewers. More extensions separated with semi-colon (;) can be associated to the viewer.
Associated viewer
Viewer associated with the selected extensions. It can be external viewer, Internal Viewer (text/hex), or plugin.
Specifies path to the external program used for displaying file content.
Specifies parameters passed to the external viewer.
Initial directory
Specifies initial directory used for the external viewer.

See also

Group Policy Restrictions