Stumped

[Gus Porteners]

A friend asked my help in reducing the size of his Ppt 2003 presentation
file down from 4.5 MB.
He had tried everything, including removing hidden data etc.
His presentation consisted of 10 photographs and two wav files of very
modest size.
I started with copying the photographs to see what size they were. None
were above 100 KB.
I removed the photographs form the presentation, to be left with text
with their animation effects and the two wav files. Total size 300 KB.
I then inserted the saved photographs into the presentation from which I
had removed them. (Each time I made changes I saved the file with a
different name.) Again 4.5 MB size.
He rang me up two days later and said he had managed to reduce the file
by attaching the original photographs to an e-mail sent to himself using
PhotoPlus 9 which automatically resizes the photographs. He saved those
attachments and reinserted them into his presentation. Bingo, about 1.2
MB, quality still acceptable.
Obviously the originals bloated the file, but why and how, as together
they added up to less than 1 MB.
This really has me puzzled and would be grateful if someone could
explain this, or voice an opinion.
Gus

 

[Michael Koerner]

Gus;

Here is a place to start looking
Why are my PowerPoint files so big? What can I do about it?
http://www.rdpslides.com/pptfaq/FAQ00062.htm


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Michael Koerner [MS PPT MVP]


|A friend asked my help in reducing the size of his Ppt 2003 presentation
| file down from 4.5 MB.
| He had tried everything, including removing hidden data etc.
| His presentation consisted of 10 photographs and two wav files of very
| modest size.
| I started with copying the photographs to see what size they were. None
| were above 100 KB.
| I removed the photographs form the presentation, to be left with text
| with their animation effects and the two wav files. Total size 300 KB.
| I then inserted the saved photographs into the presentation from which I
| had removed them. (Each time I made changes I saved the file with a
| different name.) Again 4.5 MB size.
| He rang me up two days later and said he had managed to reduce the file
| by attaching the original photographs to an e-mail sent to himself using
| PhotoPlus 9 which automatically resizes the photographs. He saved those
| attachments and reinserted them into his presentation. Bingo, about 1.2
| MB, quality still acceptable.
| Obviously the originals bloated the file, but why and how, as together
| they added up to less than 1 MB.
| This really has me puzzled and would be grateful if someone could
| explain this, or voice an opinion.
| Gus
|
|

 

[TAJ Simmons]

Gus

I started with copying the photographs to see what size they were. None
were above 100 KB

Probably JPGs ? yes?

It's all about pixels really.

see
http://www.awesomebackgrounds.com/powerpointgraphics.htm

by attaching the original photographs to an e-mail sent to himself using
PhotoPlus 9 which automatically resizes the photographs.

I suspect this software had re-saved each picture "for emailing". Software
that does that process generally makes the images contain approx 600 pixels
wide.

Cheers
TAJ Simmons
microsoft powerpoint mvp

awesome - powerpoint backgrounds,
http://www.awesomebackgrounds.com
free powerpoint templates, tutorials, hints, tips and more...

 

[Gus Porteners]

Thanks TAJ. Yes they were all jpg types
Gus

Gus

Probably JPGs ? yes?

It's all about pixels really.

see
http://www.awesomebackgrounds.com/powerpointgraphics.htm


I suspect this software had re-saved each picture "for emailing".
Software that does that process generally makes the images contain
approx 600 pixels wide.

Cheers
TAJ Simmons
microsoft powerpoint mvp

awesome - powerpoint backgrounds,
http://www.awesomebackgrounds.com
free powerpoint templates, tutorials, hints, tips and more...

 

[Gus Porteners]

Thanks Michael
Gus