This format is used to display bitmap images in the SunOS operating system. It uses the RLE compression algorithm and supports between 1 and 32 bits per pixel. It can be created in the Unix environment, and it is used for certain types of research projects. It is primarily used on Sun Microsystems computers.
The SXW file format was originally created for StarOffice Writer, the word processing application for Sun Microsystem's StarOffice suite. Programs that can open SXW files include StarOffice Writer and OpenOffice.org Writer. To open an SXW file in Microsoft Word, it's usually possible by renaming it as a DOC file.