Trình Chuyển Đổi Online Miễn Phí PPTX sang OTB

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.

This format was created by Nokia for use in its proprietary phones. A bitmap image was used to transfer image files between devices over a wireless connection. It was mainly used when exchanging multimedia text messages that support inserting pictures.