Someone may know the answer to your question, but if nothing else turns up, maybe opening your PowerPoint file in OpenOffice and exporting it as Flash would do the trick?
Lounge
Using media encoder in moodle
ဆွေးနွေးပွဲ သော့ခတ်ထားသောကြောင့် အကြောင်းပြန်၍ မရတော့ပါ။