How to easily convert .ppsx file to .pptx or .ppt?

Well, a .ppsx file is a Power Point Show file created in Microsoft Office 2007 or later. Today at office I received one such file and double clicking it launches the Powerpoint Viewer and Not on PowerPoint. This maybe needed if you want to edit a few slides or copy some information from the slides.

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.

Viola - you have now opened the .ppsx file in edit mode and can now save it in either .pptx or .ppt formats too within Microsoft PowerPoint.

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