The quick and simple way to handle your files is to get a quality piece of software, such as reaConverter. They can translate complicated structures related to architectural designs or engineering into a series of sheets that are easy to view and print.
As opposed to DWG files, the proprietary format of AutoCAD, DWF are more compressed and smaller in size.
DWF (Design Web Format) is a file format associated with Autodesk and its function is mainly that of facilitating the transfer of information related to a design project.