The WPS file format is primarily associated with Microsoft Works. Some versions of Microsoft Word are able to open this extension. Microsoft also provides its own converter to convert this file type to a more used / better supported file format: RTF. Simply go to the Microsoft Support website and download the WP6RTF.exe file.
Mime type: application/vnd.ms-works, application/x-msworks-wp, zz-application/zz-winassoc-wps,