You add a file extension to the Permitted File Extensions list so that EcoStruxure Building Operation users can open, save, and import files with that file extension.
In WorkStation, in the System Tree pane, select the EcoStruxure BMS server you want to configure.
Click the Control Panel tab.
Under Security and communication , click Document Policy .
In the Document Policy view, click the Add file extension button
In the Add File Extension dialog box, in the File extension box, type the file extension you want to add to the list and then click OK .
Do not use a period '.' in the file extension. For example, type 'pdf' rather than '.pdf'.
Click the Save button
An EcoStruxure Building Operation user can open, save, or import files with the added file extension.