SSI – Include dialog box
Custom Toolbar > SSI > Include
(Customize dialog box > Commands tab > Insert > SSI)
Defines the properties of SSI (Include). If you enter the path or URL of an external document in the Include, the content of the external document will be displayed inside the current document.
Type
Virtual
Allows you to enter the Site-base URL of an external document.
File
Allows you to enter the relative path of an external document. You cannot enter the path of an external document in a higher folder than where the folder that current document is already located.
Path
Specifies the path of an external document. You can use the Browse button to specify the path.