Extension:Spreadsheet

The Spreadsheet extension uses the PHPExcel extension to read spreadsheet files (from Office/Libreoffice) and converts them to json data, which in turn is read and displayed using spreadsheet-js.

Installation
You also might want to add file extensions to $wgFileExtensions, for example 'xls' and/or 'xlsx'.

Memory
PHPExcel consumes a lot of memory, it is therefore recommended that you increase the memory limit in php.ini:

Configuration parameters
None yet

Example usage
Upload "SomeExcelFile.xlsx", and then create a page with the following contents: 