.SDW File Extension

Text document created with StarOffice Writer 5.0 or earlier (also known as "StarWriter"); the word processor included with Sun Microsystem's StarOffice suite; may also be opened with the OpenOffice.org Writer program.

StarWriter documents created with StarOffice 6 or later use the .SXW extension.

GIS file created for MrSID .SID raster images; contains georeferencing information that maps the raster image data in the SID file to real-world coordinates; contains the units of measurement for the image pixels as well as the coordinates of the upper-left hand pixel.

SDW files are saved in a plain text format and may be viewed with a text editor.