MATLAB^®

Data Import and Export

Overview	MATLAB^® import and export facilities for various data formats.
Supported File Formats	List of file formats and file extensions supported for import and export along with the functions used with each type.
Using the Import Wizard	Importing many types of binary data using this GUI-based interface.
Accessing Files with Memory-Mapping	Faster, more efficient file I/O for very large files by accessing files on disk via pointers in memory.
Exporting Data to MAT-Files	Saving data from your MATLAB^® session in a MAT-file, a binary data file designed specifically for MATLAB^® data.
Importing Data From MAT-Files	Loading data that was saved to a MAT-file back into your MATLAB^® session.
Importing Text Data	Importing ASCII text data into MATLAB^® using the Import Wizard and import functions.
Exporting Text Data	Exporting ASCII text data to MAT-files.
Working with Graphics Files	Importing and exporting images stored in many different types of graphics files.
Working with Audio and Video Data	Importing and exporting audio and video data.
Working with Spreadsheets	Interacting with Microsoft^® Excel^® and Lotus 123 spreadsheets.
Using Low-Level File I/O Functions	Using the MATLAB^® low-level file I/O functions, such as `fopen`, `fread`, and `fwrite`.
Exchanging Files over the Internet	Exchange files over the Internet with MATLAB^® functions for use with URLs, zip, and e-mail.

Overloaded Functions

Overview