Used by the Windows operating system and by Microsoft applications as a graphics resource format.
EMF is an acronym derived from Enhanced Metafile.
Binary format.
Stores vector graphics, raster graphics, and text.
Stores image data as calls to the Windows graphical device interface (GDI), uncompressed Device Dependent Bitmaps, or uncompressed Device Independent Bitmaps.
Successor of the 16-bit WMF format.
Export
Export["file.emf",expr] exports arbitrary vector or raster graphics or typeset expressions to the EMF format.
Export["file.emf",Graphics[…]] creates an EMF file representing a Wolfram Language Graphics object.
Since EMF supports vector graphics, fonts are not rasterized when exporting to EMF.
See the following reference pages for full general information: