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  1. #1
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    File Size Change (XP)

    I was given a 1.5mb .ppt file to send to a colour printer and when I checked, the file had grown to an enormous 18+mb giant. The printer didn't like it and spat the dummy and a lot of people waiting in the queue also did the same.
    I sent it to another printer, which promptly had a hissy fit, so I tried sending it page by page (27 pages in total) - which did the job, but each page was over 1mb! Why did this happen?
    The presentation had a lot of diagrams but surely this wouldn't have caused the problem.
    <img src=/S/bwaaah.gif border=0 alt=bwaaah width=123 height=15>

  2. #2
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    Re: File Size Change (XP)

    Does the file have a lot of gradients or transparent objects -- or transparent gradients? These often give PPT fits.

    If so, you might try this on a copy of the presentation -- right-click the object in question, copy it, and Edit/Paste Special as PNG. If the images look okay, delete the originals. See if it prints better then.

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    Re: File Size Change (XP)

    Many of our users have experienced the same thing! One in particular had a 1.3 MB file turn into a 25.3 MB behemoth by simply double-clicking on a *.jpg image. We started seeing this when our users were moved to Office XP SP2. Most of the users experiencing the issue were moved from Office 2000 SR-1a. We haven't found a solution either.

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    Re: File Size Change (XP)

    This one almost sounds like an issue of embedded OLE objects. How did your users insert their images into PPT? What happens when they double-click the JPGs -- does the image open in an image application editing window?

    Then again, I'm not really sure I understand your comment. When exactly are your users seeing the file size increase? Is it when they're printing, or when they're editing slides? (The thing about double-clicking a JPG is what's confusing me.)

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    Re: File Size Change (XP)

    The issue mostly deals with embedded OLE objects like charts pasted in from Excel or scientific or statistics software. Sometimes, though, *.jpg images taken from digital cameras or scans are also involved.
    The double-click refers to selecting one of the above-mentioned objects for editing. Sometimes Photo Editor or Photoshop opens (with *.jpg), but the most often it's the default "Picture Editor" window (with the OLE objects).
    The files were originally created in PowerPoint 2000. As soon as they are opened and any of the graphics are edited in any way, the file size just explodes.

  6. #6
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    Re: File Size Change (XP)

    Well, sure, but embedded OLE objects increasing file size is a different issue than printed graphics increasing the print spool.

    Basically, your users shouldn't be copy/pasting from other apps directly into PPT, because, as you've seen, that can greatly increase the file size.

    For images, edit the image outside of PPT and then use Insert/Picture From File. When you paste from an image editor into PPT, you create an OLE Server Object. Depending on all the trappings that have to come with in order for the image to open from within PPT into that object's default editor, you get file size increases. Instead, just insert the picture and be done with it.

    For Excel, when you copy a chart or range of cells and paste into PPT, what you're really doing is pasting in the *entire* Excel workbook. So if the data range comes from a 10MB Excel workbook, then you've just increased your PPT file by 10MB. Instead of doing this, use Edit/Paste Special in PPT and link to the Excel workbook. The data/chart/whatever will still open in Excel, but it's linked Excel instead of OLE-Embedded Excel. Makes a huge difference. When your user is ready to take the show on the road, the links can be broken via Edit/Links in PPT, and the data becomes static at that point.

    Also, when are you checking the file size? If you're looking at it in Explorer while the PPT file is open with the embedded objects, the file size may show up as quite a lot larger than it does when the PPT file is closed. I'd consider that a "temporary file size increase." This may not be the case with your users, but it's a thought...

    There are myriad reasons for permanent file size increase. Backsaving and having Fast Saves on both immediately come to mind for your "recently upgraded" scenario. See http://www.rdpslides.com/pptfaq/FAQ00062.htm for some good info.

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    Re: File Size Change (XP)

    In Word, double clicking inserted graphics can cause huge increases in file size - this might be happening in Powerpoint too.

    What happens in Word is that when a compressed bitmap is inserted into a file, it is stored internally in the same format the file was imported from so the file size might only increase by the size of the imported file. Now if you double click the graphic, Word translates the bitmap into a bitmap format that it understands (BMP) which is a non-compressed format - this causes the file size to increase considerably. The point of this translation is lost on me because Word doesn't have any sensible tools for editing bitmaps anyway. If vector based graphic files are embedded in Word, double clicking them can cause huge amounts of grief as the translation usually does horrible things to the graphic.

    It would make sense that the same thing is happening in Powerpoint too - why should the Word files be the only ones consuming excess amounts of disk space. <img src=/S/evilgrin.gif border=0 alt=evilgrin width=15 height=15>
    Andrew Lockton, Chrysalis Design, Melbourne Australia

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    Re: File Size Change (XP)

    <P ID="edit" class=small>(Edited by Andrew Lockton on 23-Apr-04 17:28. I just looked at the original post date)</P>Is the original ppt file growing in size, or is it the printer spool file that is 18Mb?

    Whoops, I just saw the original was a lot older than the replies - this thread is probably too old to be relevant to the original problem.
    Andrew Lockton, Chrysalis Design, Melbourne Australia

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