$$S file extension is for OS/2 Spreadsheet
Similar to $$S
2GR - VGA graphics driver Windows Video grabber301 - Fax Super FAX 2000 - Fax-Mail 96
386 - Virtual device driver Windows 386 enhanced mode
3D2 - Atari Stereo CAD-3D 3D data file
3DM - QuickDraw 3D Metafile QuickDraw
3DMF - QuickDraw 3D Metafile QuickDraw
3DS - Graphics Autodesk 3D Studio
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