ตัวแปลงไฟล์ออนไลน์ฟรี PPT เป็น LRF

A file to store the generated presentations and Microsoft PowerPoint slide shows with the ability to edit them. It was first introduced to store the data in PowerPoint 97 Editor. Stores a set of individual slides with text, graphics, video, and audio information. The file contains information on visual effects inside the slides.

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.