PPTX to PPSX Converter
Convert your pptx files to ppsx online & free
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How to convert PPTX to PPSX
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to ppsx"
Choose ppsx or any other format you need as a result (more than 200 formats supported)
Download your ppsx
Let the file convert and you can download your ppsx file right afterwards