Pages or layers within Spicer Documents (.smf) do not have and cannot be assigned file names or file formats.
Pages or layers within Spicer Multipages (.das) can be assigned file names and file formats. Normally, however, they must be located in the same directory as the Spicer Multipage document itself.
Similarly, layers within Spicer Multilayer Pages (.clf) can be assigned file names and file formats, but must normally be located in the same directory as the document itself.