How do I open a .PPSX file on Windows or Mac?

You can open .PPSX files using Microsoft PowerPoint, LibreOffice Impress, Google Slides. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .PPSX to a standard format in your browser.

Is a .PPSX file safe to open?

This format carries a safety rating of Low Risk. Double-click to launch slideshow; open inside PowerPoint app to edit

Can I convert a .PPSX file to other formats?

Yes! .PPSX can be converted to formats such as .PPTX, .PDF directly in your web browser.

What should I do if a .PPSX file is corrupted or won't open?

If your .PPSX file displays an invalid header or signature error, check its magic bytes hex header (Varies) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

How do I open .PPSX files?

You can open .PPSX files using Microsoft PowerPoint, LibreOffice Impress, Google Slides.

Documents • MIME: application/vnd.openxmlformats-officedocument.presentationml.slideshow

.PPSX – PPSX File Format

Q: What is a .PPSX file?

A .PPSX file is a PPSX File Format associated with Documents. PPSX is a Microsoft PowerPoint OpenXML slide show format designed to immediately launch presentation playback without displaying the editor window.

PPSX is a Microsoft PowerPoint OpenXML slide show format designed to immediately launch presentation playback without displaying the editor window.

Primary Category Documents

MIME Type application/vnd.openxmlformats-officedocument.presentationml.slideshow

Magic Bytes Signature Varies

Security Risk Rating Low Risk

Recommended Software to Open .PPSX

Microsoft PowerPoint

windows, mac, linux • Free

LibreOffice Impress

windows, mac, linux • Free

Google Slides

windows, mac, linux • Free