Allows you to choose an external application to display files of a particular type. You can access this dialog box by right-clicking on a file type on the File Type Associations dialog box (or on the File Type Associations tab of the Options dialog box) and clicking Open with on the Program Association Shortcut menu.
Choose the program you want to use - Select a software application from this list of registered programs. Selecting an item from this list automatically populates the Other program field.
Other program - Enter the name and location of the program in which the selected types of files will be opened. You can search for an application by clicking the Browse button.
Command-line parameters - Enter any particular values that will pass information to the selected program and indicate how the files of this type should be opened. Available arguments vary by program.
File name prefix - Use this field for optional parameters instead of, or in addition to, the Command-line parameters edit box when you choose an application that does not allow spaces between the command-line parameters and file name. This parameter is attached as a prefix to the file name without any spaces as shown below:
[ApplicationName] [OptionalParameters] [FileNamePrefix][FileName]