Extension:PHPExcel

The PHPExcel extension is a container for the [http://phpexcel.codeplex.com/ PHPExcel library]. Installing this extension will make PHPExcel's functionality available for other extensions to use.

Through Composer
Recommended for MW 1.22+

Either enter the following in you command line:

or add the following as the last line of the "require" section in your "composer.json" file: