For the users not willing to do the hard work or don’t know much about Flash, here are some tools that can help.
OpenOffice: The popular open source office application can convert PowerPoint presentation to Flash. Just open the PowerPoint file with OpenOffice and export it as Flash (.swf).
authorPOINT Lite: authorPOINT Lite lets you share your presentations online by uploading to a free online presentation sharing platform. authorPOINT Lite is also a PowerPoint to Flash converter with PowerPoint plug-in. It can convert a PowerPoint presentation to Flash easily with minimal loss of quality. It supports various types of PowerPoint files like .ppt, .pps, .pptx, and .ppsx and outputs them as the Flash file format .swf.
Zamzar: Zamzar is a free online tool that lets you convert between various file formats. It can convert a PowerPoint presentation to various other file types including Flash. Just upload your PowerPoint file, and the converted flash output will be sent to your email.
Wondershare PPT2Flash: This is a PowerPoint add-in that lets you save your PowerPoint presentation as Flash with a single click. It also lets you enhance your presentation by adding narrations, interactivity, and simulation.
PowerPoint to Flash Conversion: This is an online tool that converts your PowerPoint presentation to Flash using OpenOffice or JodConverter. However, it has a size limit of 5MB on PowerPoint files you can upload, and it supports only .ppt file types.
iSpring: iSpring creates Flash movies from PowerPoint files like .PPT, .PPS, .PPTX, .PPSX. It works with all versions of PowerPoint and also keeps animation effects and transitions after the conversion.