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Open PowerPoint Show (.pps) or (.ppsx) from Browser

by grungiebear88 / April 13, 2009 2:13 PM PDT

I am having a problem with opening files in .pps and .ppsx from Internet Explorer. Currently, we have a mixed environment with Office 2003 and Office 2007. The PowerPoint shows are saved as such and will open in SlideShow view for the people that still have Office 2003. However, for the people with Office 2007, the PowerPoint show will open in Normal or Edit mode vice SlideShow view.

This happens with both IE6 and IE7.

I tried the steps in but to no avail. I changed my registry settings, looked at my File Options, but it still does not work correctly.

I added the Mime type for .PPSX into my IIS server as application/vnd.openxmlformats-officedocument.presentationml.slideshow but it still opens in edit mode vice SlideShow mode.

Please offer more suggestions.

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This sounds like a security change at Microsoft.
by R. Proffitt Forum moderator / April 13, 2009 10:22 PM PDT

Be sure to call Microsoft and go over this with them. From what I see the tightening of the security seems to be at the root of the issue.

Let me be clear here. I did not offer you any fix but an observation that this is happening elsewhere but we don't intend to fix this in our office. We applaud any move that tightens security and will change our procedures to go with it.

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by grungiebear88 / April 15, 2009 9:25 AM PDT

Thanks for the response. I agree that increased security is a good thing but it can be frustrating when you are trying to make something work the way you want it to work.

In the end, I decided to stop banging my head against the wall and worked around the issue by saving the SlideShow as a single-file web page. Now, it's all good and everyone is happy.

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by gaulloa / April 19, 2010 7:13 AM PDT

This applies to saved files... not on MS browser:

If you are not using Microsoft products, you can download the OpenOffice Suite, which is 100% F R E E (no strings attached) at:

.ppsx files can be opened with the Presentation app, choosing Microsoft Powerpoint 2007 XML filter.. thats simple. I always save the PPT as standard presentation.. very cool!

OpenOffice has more than a hundred filters (the equivalent would be OPEN AS in Win), so you are completely OK using OpenOffice.

I used version 3.0 on April 18th 2010. This version includes Calc, Write, Presentation, Base, and Draw applications. The computer was an old Averatec 3500 with Windows Tablet? it run perfectly the file and OpenOffice. Later I will do a try on my 2010 Mac Pro?. just to let you know!

Another alternative is to download the 2007 Microsoft PowerPoint Viewer from Ms, at links like:

What I will advise everyone, is to "SAVE AS" PPT or as a PDF which are more easy to open.

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