: Use a tool like WinRAR or 7-Zip to right-click on Part 1 and select "Extract Here." It will automatically pull data from Part 2 to reconstruct the original document (usually a PDF or Word file).
: This would involve a technical paper on data visualization and reducing complex datasets into 2D or 3D "maps" to show relationships between objects. M_D_S.part2.rar
However, the "MDS" abbreviation in academic and professional contexts most commonly refers to (a group of blood cancers) or Multidimensional Scaling (a statistical technique). How to Produce a Paper from this File : Use a tool like WinRAR or 7-Zip