Emf is the extension name of a file in graphic format Enhanced MetaFile. You can convert an emf file into bmp format using VeryPDF HTML Converter in MS DOS command line mode easily.
The following screen snapshot shows the simple process of converting an emf file to a bmp file with VeryPDF HTML Converter. You can just type htmltools.exe (with the whole path if the current directory is not the one that VeryPDF HTML Converter installed in) followed by the name of the original file and the new name for the output file. You can just convert an emf file into bmp format with specifying the format by the extension names of the original and output files.