The disk image name "untitled" is the MS-DOS version of LapLink software. 

The disk name is as originally supplied, and is unmodified.

NDIF means New Disk Image Format, and should be compatible with floppy disk programs used on the PC side such as OmniFlop or others. It will also work with Disk Copy 6.1.2 or greater.

The 5.25" disk and contents is supplied in its own folder.