Batch convert from PPSX to other formats.
Large PPSX files are supported.

Max size: 200 MB per file

You can convert PPSX Learn more about PPSX files to


What is PPSX?

Extension ppsx
Category Document/Office file formats
Developed by Microsoft
Mime type application/vnd.openxmlformats-officedocument.presentationml.slideshow


A PPSX file is a PowerPoint (2007 or newer, including Office 365) AutoPlay Slide Show exported from Microsoft Office or another office suite. When this file is opened, the Slide Show starts automatically and the slides cannot be changed.
If you would like to make edits, you should convert it to an editable PowerPoint format like PPTX, PPT, or ODP for LibreOffice.
A previous version of this format, used by Office 2003 and earlier, is PPS.

Common questions about PPSX conversions

How to open a PPSX file?

If you don't know how to view a PPSX file, you can convert it to another format you already recognize. You can use MConverter for the conversion.

Can I convert PPSX files in bulk?

Yes, MConverter supports batch converting of multiple PPSX files at once. You can even drag and drop folders containing PPSX's.
Pasting PPSX files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert a PPSX file, if its size is 1 GB?

Yes, with MConverter Premium you can convert big PPSX's, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert PPSX files over 200 megabytes, try MConverter Premium.

Is converting PPSX's safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your PPSX files are only accessible by you. 24 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your PPSX's and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,856,037 files so far.

How long does it take to convert PPSX?

For most documents, the wait may be a minute or so. However, MConverter also supports converting larger documents, meaning that it could take a while (up to over an hour, for example).

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