If you want to look at an attached file in the application in which it was created, opening the file launches the application from within Notes mail. To open an attachment, double-click the attachment icon and then click the Open button on the Properties box. You can then view the document and make changes. You can save it or print it from the application. You can close the application when you finish with the file. Lotus Notes and your mail message remain open the entire time you are working in the other application.
If you can't launch the attachment, you probably don't have that application installed on your computer. You can still use the View option, as described in the beginning of this chapter, to view the formatted contents of the attachment.