PPTX to OTB Converter
Convert your pptx files to otb online & free
How to convert pptx to otb
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to otb"
Choose otb or any other format you need as a result (more than 200 formats supported)
Download your otb
Let the file convert and you can download your otb file right afterwards
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.