Did you just receive a Microsoft PowerPoint file and don’t have PowerPoint installed on your PC?

Or maybe you want to open an old file, but your Microsoft 365 subscription has already lapsed?

Here are six of the best.

person discussing while standing in front of a large screen photo

This means that you’re already ready to use it.

you’ve got the option to see the file if you already have the extensions installed.

If not, all you have to do is download and plant the extension.

A Screenshot of Office Editing for Docs Sheets Slides in Use

The functionality of this extension is pretty impressive.

2.Google Slides

Next up, we have Google Slides.

Google Slides is like Google Docs or Google Sheets, but for PowerPoint presentations instead of Word or Excel.

A Screenshot of Google Slides in Use

If you’ve never heard of Google Slides, it’s a cloud-based online alternative to Microsoft PowerPoint.

It lets you create slideshows online and then present or share them with others entirely from your web client.

It can also open up PPT and PPTX files.

A Screenshot of LibreOffice Impress in Use

All you have to do is go to Google Slides and navigate to the header that readsFile.

From there, just click onImport slides, thenUpload, and select your file.

You’ll need to pick which slides you want to import from here.

A Screenshot of Apache OpenOffice Impress in Use

From there, just hitImport slides,and you’re done.

3.LibreOffice Impress

Next, we have LibreOffice.

LibreOffice is an open-source and entirely free program that has been in development for over ten years.

A Screenshot of Aspose Online PowerPoint Viewer in Use

It acts as a free alternative to the Microsoft Office suite and does a pretty good job of it.

It behaves much the same as PowerPoint does without the price tag.

The interface also looks quite good, though a little dated compared to Microsoft’s more modern designs.

A Screenshot of Online Document Viewer in Use

4.Apache OpenOffice

If you want an alternative to LibreOffice, there’s Apache OpenOffice.

Both programs are free and open-source because they’re forks of a previous project.

Even the interface is pretty good.

It’s maybe not as sleek as PowerPoint, but it doesn’t look bad.

From there, you’re pretty much good to go.

Aspose will automatically open up your PowerPoint file for viewing.

6.Online Document Viewer

Finally, we have Online Document Viewer.

This online web service allows you to upload and view documents, including PPT and PPTX files.

Online Document Viewer has some decent viewing options, such as navigation menus, rotation options, and more.

If you’re trying to make an engaging presentation, there are a few better ways to do it.