PPSX File Extension

PowerPoint Open XML Slide Show

File Type ppsx
Developer Microsoft
Popularity
4.9 (34 votes)
Application Microsoft PowerPoint
Category Data Files, Document Files
Format Zip

What is a PPSX file?

Files with the PPSX extension are associated with PowerPoint Open XML Slide Show and are categorized as Data Files and Document Files, making up 7165 files.

The PowerPoint Open XML Slide Show (PPSX), created by Microsoft, is one of file format they developed, and they also built 242 programs to support them.

PPSX file support extends to various operating systems, including Windows, Mac OS and Linux, as well as mobile devices running Windows Phone, Android and Apple iOS. When working with PPSX files, you can rely on 11 programs, including Microsoft PowerPoint, Microsoft Office Mobile and OpenOffice Impress.

MIME types

application/vnd.openxmlformats-officedocument.presentationml.slideshow

Windows

Mac OS

Linux

Android

How to open a PPSX file?

If you can’t open a PPSX file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.

When it comes to opening and working with PPSX files, Microsoft PowerPoint, Microsoft Office Mobile and OpenOffice Impress are the top choices for users. If you want the most recent release of Microsoft PowerPoint, head over to the Microsoft site and download the version designed to run on all platforms.

When you finish installing Microsoft PowerPoint, the system will automatically launch PPSX files with it.

Set Microsoft PowerPoint as the default PPSX program

Changing Default Programs in Windows

Right-click on your PPSX file, then choose the "Open with" option and select "Choose another application" from the available options;
In the pop-up window, select the Microsoft PowerPoint application;
Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening PPSX files.

Change Default Program on Mac

Right click or Control + left click on the desired PPSX file;
Select "Open in application" and click "Other";
At the bottom of the window, you will see the "Enable" menu. It is already set to the default option, "Recommended Programs";
Within this menu, select "All Programs" and then search for Microsoft PowerPoint. Check the box next to "Always open in app" to make it the default program.

Solve problems with PPSX files

When facing challenges with PPSX files, simple adjustments in your software can often solve the problem. Find helpful troubleshooting guidance below.

What Causes Microsoft PowerPoint to Crash Frequently?

Microsoft PowerPoint crashes can be caused by outdated software. Keep your Microsoft products up to date by installing the latest updates.

Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.

How can I restore a damaged PPSX file?

Use Office Regenerator or PowerPoint Regenerator to open the damaged PPSX file and from the menu, choose "Repair" function to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged data files.

What are the warning signs that my PPSX file may be corrupted?

Common indications of damaged PPSX data files are:

Error messages appear during the course of working with the file;
Editing the archive in Microsoft PowerPoint results in slow or unresponsive behavior;
Opening the file results in an error or a failed attempt;
Unexpected expansion of the total size of the PPSX file;
Opening the file in Microsoft PowerPoint or other programs causes them to hang or crash;

How to edit a PPSX file?

To edit PPSX files, it is essential to install software that supports not only viewing but also editing the data files. Online PPSX editors provide limited functionality compared to full-featured software for PowerPoint Open XML Slide Show.

List of Top PPSX editors 2026

After analyzing the criteria, we have created a list of PPSX editors available for use.

PPSX Editor Software	Developer	Platforms	Overall Rating
Microsoft Office Mobile	Microsoft	Android, Windows Phone	4.7 out of 5 (34 reviews)
OpenOffice Impress	OpenOffice	Windows, Mac OS, Linux	4.6 out of 5 (40 reviews)
Keynote	Marek Jedlinski	Mac OS, Apple iOS, Windows	4.4 out of 5 (40 reviews)
Microsoft PowerPoint	Microsoft	Windows, Mac OS, Apple iOS, Android	4.4 out of 5 (40 reviews)
Corel Presentations	Corel	Windows	4.1 out of 5 (44 reviews)

Convert to and from PPSX

If working with a PPSX file is challenging, one solution is to convert it to formats like JPG, PNG, PDF, MP4, PPTX or other supported formats.

Keep in mind that converting a PPSX file may introduce some limitations, but the original format can often be restored.

Offline software options such as Microsoft PowerPoint, Corel Presentations and OpenOffice Impress guarantee lossless conversion of PPSX files.