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Some old MS Office versions used .mso files to store organization charts which could have been used in Excel, PowerPoint or even in Word documents. It is likely that such charts could be exported as JPEG or other pictures, but only in older Office programs as modern editions doesn't seem to support it anymore.
Updated: August 10, 2016
Exciting audio and visual capabilities help you tell a crisp, cinematic story that’s as easy to create as it is powerful to watch. In addition, PowerPoint enables you to work simultaneously with other people or post your presentation online and access it from virtually anywhere using the Web or your smartphone.