ตัวแปลงไฟล์ออนไลน์ฟรี LRF เป็น PPTX

Is a format developed by Sony for its proprietary Sony Reader devices. Files in this format may contain text and images. The format is XML-based.

An extension to store presentations and slide shows, for PowerPoint 2007 and newer versions. Contains a set of slides with audiovisual information, multimedia objects, and formatting. The file is created based on the XML format, which allows you to view the recorded information in text editors.