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#1
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2007 File Size Issue
I've just 'upgraded' to PPT 2007. In preparing a couple of simple
presentations, I noted that the file size seemed very large. So, I ran a quick test. I have a 5 slide (no graphics) presentation that I saved in 'compatibility mode' - because I need to show this on several machines. The file size was 1.4 Mb I re-saved the same presentation in 'normal' mode (pptx) and the file size is 55 kb. Is there something I need to know? Has anyone else noted this? What is going on? |
#2
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2007 File Size Issue
The new 2007 XML-based file format is, quite simply, much more compact than
the old binary format. In other words, your PPTX (2007 format) files will generally be smaller than the same file saved as PPT (97-2003 "binary" format). This is not a bug, it's expected behavior. -- 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/ "BoomerM3" wrote in message ups.com... I've just 'upgraded' to PPT 2007. In preparing a couple of simple presentations, I noted that the file size seemed very large. So, I ran a quick test. I have a 5 slide (no graphics) presentation that I saved in 'compatibility mode' - because I need to show this on several machines. The file size was 1.4 Mb I re-saved the same presentation in 'normal' mode (pptx) and the file size is 55 kb. Is there something I need to know? Has anyone else noted this? What is going on? |
#3
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2007 File Size Issue
Oh, and in addition to the actual file format differences, when you save a
file as 97-2003 PPT format, many objects with new formatting applied to them will be converted to images. For example, if you add a glow effect to text, that text becomes an image when you save as PPT, and that also contributes to an enlarged file size. -- 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/ "BoomerM3" wrote in message ups.com... I've just 'upgraded' to PPT 2007. In preparing a couple of simple presentations, I noted that the file size seemed very large. So, I ran a quick test. I have a 5 slide (no graphics) presentation that I saved in 'compatibility mode' - because I need to show this on several machines. The file size was 1.4 Mb I re-saved the same presentation in 'normal' mode (pptx) and the file size is 55 kb. Is there something I need to know? Has anyone else noted this? What is going on? |
#4
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2007 File Size Issue
In article . com, BoomerM3
wrote: I've just 'upgraded' to PPT 2007. In preparing a couple of simple presentations, I noted that the file size seemed very large. So, I ran a quick test. I have a 5 slide (no graphics) presentation that I saved in 'compatibility mode' - because I need to show this on several machines. The file size was 1.4 Mb I re-saved the same presentation in 'normal' mode (pptx) and the file size is 55 kb. To add to what Echo said: When you save your 2007 file for backwards compatibility, PPT retains all of the original 2007 information and adds information that lets earlier versions display the info. For example, if you've got a soft-edged drop shadow, it probably represents no more than a few bytes of data in 2007 because 2007 knows how to make these shadows; it just needs to be told which kind to make. Earlier versions can't do this type of drop shadow so PPT 2007 has to generate and include a bitmap version of the shadow in the file. Bitmap graphics are quite large. A few shadows or other similar effects could easily account for the size difference, I'd expect. ----------------------------------------- Steve Rindsberg, PPT MVP PPT FAQ: www.pptfaq.com PPTools: www.pptools.com ================================================ |
#5
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2007 File Size Issue
Here's a PDF of a PPT'07 presentation
http://zircon.40th.com/zircon.pdf from 1,508,297 zircon_work23.pptx 712,256 zircon.pdf which is mostly (20 separate) graphic images. The slideshow is nice, but I use a PDF. Why is this still missing: slideshows can only be "handed out" in a formt that anyone can hack up. Since it is, I use PDF. PDF is smaller, but the "quality" is subpar (though I'd say acceptable for the web). The PDF was created from the Save-as PDF output from PPT. Anyway, I was VERY surprised that the ppt wasn't, oh, 10 MB or more, instead of 1.5MB. No image conversion to BMP is one reason, I suppose, but there's more to it, I'm sure. The pptx was done 1650x1080 (16:10), and the Q is pretty good when viewed at that size (had only a few, nicely-timed sound effects). http://zircon.40th.com/ -- 40th Floor - Software @ http://40th.com/ iplay.40th.com iPlay advanced audio player zircon.40th.com Zircon music player |
#6
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2007 File Size Issue
I think there may be more to this. One of my users was complaining today of
long save times in Powerpoint 2007. She had opened a 2003 ppt file that was created in Powerpoint 2003 and was ~6mb in size and then saved it with a different name "also" in 2003 compatible format. The file ballooned to 27mb with no changes. Any ideas? "Echo S" wrote: Oh, and in addition to the actual file format differences, when you save a file as 97-2003 PPT format, many objects with new formatting applied to them will be converted to images. For example, if you add a glow effect to text, that text becomes an image when you save as PPT, and that also contributes to an enlarged file size. -- 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/ "BoomerM3" wrote in message ups.com... I've just 'upgraded' to PPT 2007. In preparing a couple of simple presentations, I noted that the file size seemed very large. So, I ran a quick test. I have a 5 slide (no graphics) presentation that I saved in 'compatibility mode' - because I need to show this on several machines. The file size was 1.4 Mb I re-saved the same presentation in 'normal' mode (pptx) and the file size is 55 kb. Is there something I need to know? Has anyone else noted this? What is going on? |
#7
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2007 File Size Issue
She didn't make any changes before saving it in 2007 (as 2003 format)?
Bizarre. If the file's only 6MB, email it to me and I'll take a look and see what happens here. Please mail to echos at indy dot net and include a reminder of why you're sending it. -- 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/ "teggers" wrote in message ... I think there may be more to this. One of my users was complaining today of long save times in Powerpoint 2007. She had opened a 2003 ppt file that was created in Powerpoint 2003 and was ~6mb in size and then saved it with a different name "also" in 2003 compatible format. The file ballooned to 27mb with no changes. Any ideas? "Echo S" wrote: Oh, and in addition to the actual file format differences, when you save a file as 97-2003 PPT format, many objects with new formatting applied to them will be converted to images. For example, if you add a glow effect to text, that text becomes an image when you save as PPT, and that also contributes to an enlarged file size. -- 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/ "BoomerM3" wrote in message ups.com... I've just 'upgraded' to PPT 2007. In preparing a couple of simple presentations, I noted that the file size seemed very large. So, I ran a quick test. I have a 5 slide (no graphics) presentation that I saved in 'compatibility mode' - because I need to show this on several machines. The file size was 1.4 Mb I re-saved the same presentation in 'normal' mode (pptx) and the file size is 55 kb. Is there something I need to know? Has anyone else noted this? What is going on? |
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