# Default File Extensions in Mosaic 2.0pre4

Mosaic 2.0pre4 maps a whole bunch of file extensions to MIME types:

          .mime     message/rfc822
          .ps	application/postscript
          .html     text/html
          .c	text/plain
          .cc	text/plain
          .c++	text/plain
          .h	text/plain
          .text     text/plain
          .tex      text/plain
          .pl       text/plain
          .txt      text/plain
          .snd      audio/basic
          .au       audio/basic
          .aiff     audio/x-aiff
          .aifc     audio/x-aiff
          .tar	application/octet-stream
          .uu	application/octet-stream
          .saveme	application/octet-stream
          .dump	application/octet-stream
          .bin	application/octet-stream
          .gif      image/gif
          .tif      image/x-tiff
          .tiff     image/x-tiff
          .jpg      image/jpeg
          .jpeg     image/jpeg
          .mpg      video/mpeg
          .mpeg     video/mpeg
          .hdf      application/x-hdf
          .cdf      application/x-netcdf
          .nc       application/x-netcdf
          .dvi      application/x-dvi
          .xwd      image/x-xwd
          .rgb      image/x-rgb
          .rtf	application/x-rtf
          .pdf	application/x-pdf
          .src	application/x-wais-source
          .wsrc	application/x-wais-source

Note: Extension mapping in Mosaic is case insensitive.

For more information on MIME types, see here.