I searched online for quite sometime with no luck. For the earlier .pps files, they can be easily converted to .ppt file by merely renaming the file extension to .ppt from .pps. But this technique doesnot work with the new versions - so a mere renaming of a .ppsx file to .pptx throws up an error when you try to open the file.
Then an idea struck me and it worked beautifully.
- Open Microsoft PowerPoint.
- Click on the Ribbon and Open.
- Now select and open the .ppsx file.
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