Mathematica automatically handles hundreds of data formats and subformats—all coherently integrated through
Mathematica's uniform use of symbolic expressions. For each particular format, the correspondence between representations inside and outside
Mathematica can be specified at any level of detail using
Mathematica's general data elements mechanism.
Import — import from files and URLs
Export — export data, graphics, expressions to files
ImportString,
ExportString — import, export string data
$ImportFormats,
$ExportFormats — lists of supported formats
FileFormat,
StringFormat — test for formats of files, strings
