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MS Office Forum / General PowerPoint Questions / August 2006

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Why is the picture quality reduced when I save a presentation?

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Pazit - 21 Aug 2006 17:50 GMT
In powerpoint 2007 beta, when I save a presentation in pptx format, the
quality of all the pictures in the presentation is automatically reduced. Why
and how can I prevent this?
Echo S - 21 Aug 2006 18:36 GMT
> In powerpoint 2007 beta, when I save a presentation in pptx format, the
> quality of all the pictures in the presentation is automatically reduced.
> Why
> and how can I prevent this?

Compress Pictures is turned on by default in PPT 2007. This is by design.
(Bad design, as far as I'm concerned. I can tell this is going to become a
frequently asked question.)

To turn it off, select a picture, click "compress pictures" on the Picture
ribbon, click Options, and then uncheck "automatically perform basic
compression on save.

Either that, or set the target output to screen.

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Echo [MS PPT MVP] http://www.echosvoice.com
What's new in PPT 2007? http://www.echosvoice.com/2007.htm
Fixing PowerPoint Annoyances http://www.oreilly.com/catalog/powerpointannoy/
PPTLive! Sept 17-20, 2006  http://www.pptlive.com

Pazit - 21 Aug 2006 18:51 GMT
I don't understand why this should be the default, it really reduces the
quality of the pictures very much. Anyway, it worked, thanks very much!
Echo S - 21 Aug 2006 18:57 GMT
>I don't understand why this should be the default, it really reduces the
> quality of the pictures very much. Anyway, it worked, thanks very much!

The default setting is supposed to be 220 pixels per inch, so it shouldn't
affect the presentation much. 220 is way more than you need for on-screen --  
most (all?) projectors can't display at that high a resolution anyway.

But I'm with you, I don't particularly like it being the default.

Signature

Echo [MS PPT MVP] http://www.echosvoice.com
What's new in PPT 2007? http://www.echosvoice.com/2007.htm
Fixing PowerPoint Annoyances http://www.oreilly.com/catalog/powerpointannoy/
PPTLive! Sept 17-20, 2006  http://www.pptlive.com

Steve Rindsberg - 24 Aug 2006 20:28 GMT
> The default setting is supposed to be 220 pixels per inch, so it shouldn't
> affect the presentation much. 220 is way more than you need for on-screen --  
> most (all?) projectors can't display at that high a resolution anyway.

Sure, but if you pop in the picture then later need to enlarge it, PPT will have
already autoshredded it for you.  Cast my vote for:

> But I'm with you, I don't particularly like it being the default.

-----------------------------------------
Steve Rindsberg, PPT MVP
PPT FAQ:  www.pptfaq.com
PPTools:  www.pptools.com
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