Basic Formats
The Wolfram Language can routinely import and export hundreds of megabytes in all standard basic formats—in addition to supporting hundreds of more structured formats.
"List" — numbers or strings, one per line
"Table" — arbitrary table of numbers or strings
"Text" — plain text as a single string, or broken into lines, words, etc.
"String" — arbitrary data represented as a Wolfram Language string
"Binary" — binary format with specifiable elements
"WXF" — binary serialization format for Wolfram Language expressions
"JSON" — JSON data interchange format