MarkStein Publisher is able to handle a vast number of document types that can be placed, imported or opened. When exporting your entire project or parts of your project, MarkStein Publisher also shows its capabilities as a true all-rounder.
Which file formats can be placed and exported is documented in the Printing and exporting and Working with images sections.
Document types specifically for MarkStein Publisher are:
.mxd = MarkStein Publisher page document
.mxt = MarkStein Publisher story document
.mxb = MarkStein Publisher book document
.mxf = MarkStein Publisher library document