wps is the file extension used for Kingsoft Writer Documents. Excel 2007 uses Office Open XML as its primary file format, an XML-based format that followed after a previous XML-based format called 'XML Spreadsheet'. Microsoft Excel, up until 2007 version used a proprietary binary file format called Excel Binary File Format (.XLS) as its primary format. WPS Office is a suite of software made up of three primary components: WPS Writer, WPS Presentation, and WPS Spreadsheet.
WPS Office (an acronym for Writer, Presentation, and Spreadsheets, previously known as Kingsoft Office) is an office suite for Microsoft Windows, Linux, iOS, and Android OS, developed by Zhuhai-based Chinese software developer Kingsoft.
