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File Extension

Executable File: Select by browsing a file already within the package that is associated with the file extension.
Extension: Enter the name of the extension e.g. 'doc'
ProgID: If the file extension is associated with a ProgID enter it, or if it is already in the package then select it from the drop down list. You can add a description and a shortcut to the PropId.
Verbs: A verb is a command that occurs when a file with the file extension is launched. You can create new verbs by selected the 'Add' button.