What file is PPTX? How to open, edit and convert PPTX files
files with extensions .pptx are microsoft powerpoint open xml presentation files. these files are used to store presentations on microsoft powerpoint.
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Differences between PPT and PPS files (PPTX and PPSX)
many people wonder if they get similar tail files like ppt, pps, ppts and ppsx without knowing what files they are, the differences and how to open them. today, we will answer